In Task Builder 2, you add functionality to your task by adding Objects. Objects consist of one or more components. You can combine components flexibly within an object to achieve the behaviour you want. You can also use prefabs, which are prefabricated objects with two or more components that fulfil a frequently used function.
This page lists each prefab and the components it contains, and each component and how it works. Browse the list on the side to find the prefab or component you're interested in using.
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This prefab consists of an audio clip linked to an HTML button that, when clicked, plays the audio.
Components: Audio Clip, Button, Click To Activate
This prefab consists of a button that advances the screen when clicked on.
Components: Button, Click To Continue
This prefab consists of a fixation cross and a fixation component that controls its timings.
Components: Fixation Timing, Fixation Cross
This prefab consists of an image with a border colour that changes when hovered over, and that produces a response when clicked on.
Components: Image, Border - Hover, Click Response
This prefab consists of some text with a border colour that changes when hovered over, and that produes a response when clicked on.
Components: Text, Border - Hover, Click Response
The audio component allows you to play a single audio file. You can upload the audio file within your component or via the Stimuli tab. For some information about file size and supported formats, have a look at the information at our Technical Checklist. You can read some more information about autoplaying Audio in our Troubleshooting guide.
By default, once you add an audio component to your task, Gorilla will set up an audio initialisation that checks whether participants are able to hear the sound on their device. If you don't want this audio initialisation (for example, if you have several tasks with audio and only need it once), you can turn it off in the Settings tab on the left side in the Task Builder, when you go to 'Subsystems'.
Samples that use this component
Auditory Sentence Predictability Task
Alternate Task Switching - Gives the participant audio feedback
Audio
The audio file to play. If you want the audio to change, depending on different screens, you can bind this to a value in your Spreadsheet. If you want to set up a Manipulation in your Experiment Tree, you can bind this to a value for a Manipulation. If you want to play an audio which has previously been written to the Store, you can bind this to a value from your Store.
Play On Start
If set, the audio will start playing automatically at the start of the screen. If it is not set, there are a few ways you can activate the audio, for example, via the Trigger Active component added to other objects of your screen. This way you can trigger audio on some event rather than automatically on start. This is helpful, for example, for an audio feedback scenario.
Advance
If set, advance the screen when the audio finishes playing. When you don't have the Advance option turned on, you can advance the screen using a different component, for example, a Continue Button or just a Click or Keyboard Response.
Always Finish
If set, delay the screen advancing until the audio has finished playing. If you have Advance turned off, you can have Always Finish turned on at the same time, so even though it's the response that advances the screen, not the audio, the audio needs to finish playing before the screen advances.
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You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Background Audio component allows you to play audio in the background. You can upload the audio file within your component or via the Stimuli tab. Use this component to start or stop the current background audio. Once started, the background audio will continue to play until it is stopped (you don't need to put this on each screen where you want the background audio to play; just on the screen or display where you want it to start). For some information about file size and supported formats, have a look at the information at our Technical Checklist.
Samples that use this component
Digit Span Text Entry (Background Music)
Audio
The audio file to play in the background. If you want the audio to change, depending on different screens, you can bind this to a value in your Spreadsheet. If you want to set up a Manipulation in your Experiment Tree, you can bind this to a value for a Manipulation. If you want to play an audio which has previously been written to the Store, you can bind this to a value from your Store.
Action
Use this setting to decide whether to start or stop the background audio. Please note that the Background Audio doesn't loop automatically, so when the entire file has played, it will just stop (even, if you haven't included the stop setting in your task). If you just want the audio to stop, you don't need to add a file into the 'Audio' setting above.
The Display Receipt component allows you to display the "receipt" from a preceding Gorilla Shopbuilder task. It is bound to a Store Field of the same name used in the Shopbuilder task.
Tutorial that uses this component
Receipt field
The store field where the receipt has been saved. Unless specified otherwise in your shopbuilder task, this will be 'shopping_cart'
Text Size (px)
The size of the text, in pixels. By default, it is set to size 18.
Autoscale
If set, scale the text according to the size of the screen.
Position
Position of the center of the bounding box, relative to the center of container.
Size
Size of the bounding box
The Fixation Cross component allows you to display a pre-made fixation cross. Use a Fixation Timing component to control the timings of the fixation before, during, and after its display.
Samples that use this component
Stop Signal Task (used together with the Fixation Timing component)
Size
Size of the fixation cross. By default, this is set to 120.
Autoscale
If set, scale the text according to the size of the screen.
Position
Position of the center of the bounding box, relative to the center of the container.
Size
Size of the bounding box
Looking for Task Builder 1?
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With the hotspot component, you are able to make an invisible area of the screen interactable. It can be used with components like Click Response to generate responses and is useful for overlaying on top of other visual objects. It is helpful if you don't want to make an entire object (for example, text or image) interactable, but only a specific area on the screen, for example, part of an image. In most cases you'll also want to use a hotspot in conjunction with the Overlay component, so that the size and position of the hotspot is set relative to the size and position of the object it's attached to. This can be crucial when participants have different screen sizes or devices which makes an image/text appear bigger/smaller, so that you can keep the hotspot in the same location relative to the part of stimulus that should be interactable.
Sometimes, the order in which you add objects to your screen affects their functioning. Here is an example with the Hotspot component:
You want to have two Objects: Object 1) with a Text component saying 'Click here' and want to use Object 2) with a Hotspot component combined with Click Response component, to make an area where people can click and which will be marked as a response. Now, if you place your Hotspot first on the Objects list, so the most in the background, behind the 'Click here' text, and have the Text object second on the list, so in front of the hotspot, your hotspot won't work. However, it will work if it is put second on the Objects list, so in front of the Text component so that it covers the Text, you can click on the text to respond and the component will work.
Samples that use this component
Visual Search Click on Location
UI/UX Prototype Navigation Task
Tutorials that use this component
Triggering videos to start playing
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The HTML component is a fully customisable component which allows you to insert your own HTML content into a task. You can use it to add custom formatting to text or images, or to embed videos. The HTML component doesn't include any default formatting from Gorilla, so text will not be automatically centered as it is in the Text component and the Markdown Text component.
Samples that use this component
HTML
The HTML to display.
CSS
CSS to load. If you have a lot of formatting you want to apply to your HTML content, it might be best to consider adding it separately through the CSS configuration.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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The image component allows you to display an image on the screen. Spreadsheet values, Manipulations and Store Fields can be used to populate the image by using the Binding function. For some information about file size and supported formats, have a look at the information at our Technical Checklist.
Samples that use this component
Image
The image to display. You can upload the image within your component or via the Stimuli tab. If you want the image to change, depending on different screens, you can bind this to a value in your Spreadsheet. If you want to set up a Manipulation in your Experiment Tree, you can bind this to a value for a Manipulation. If you want to display an image which has previously been written to the Store, you can bind this to a value from your Store.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
Looking for Task Builder 1?
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The Image-Hover component allows you to display an image on the screen which changes when hovered over. The same general functioning of Image components applies. For some information about file size and supported formats, have a look at the information at our Technical Checklist.
Samples that use this component
Image Normal
The image to display. You can upload the image within your component or via the Stimuli tab. If you want the image to change, depending on different screens, you can bind this to a value in your Spreadsheet. If you want to set up a Manipulation in your Experiment Tree, you can bind this to a value for a Manipulation. If you want to display an image which has previously been written to the Store, you can bind this to a value from your Store.
Image Hover
The image to show when Image Normal is hovered over. Again, this can be bound to the Spreadsheet, used for Manipulations or added to the Store.
Image Complete
The image to show once the screen is complete and all responses have been received. This is useful in conjunction with Feedback zones to show the participant which option they chose.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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The Markdown Text component allows you to display any markdown-formatted text on the screen. Spreadsheet values, Manipulations and Store Fields can be embedded into the text. For more information on how to use Markdown, have a look at our Markdown Guide.
Samples that use this component
Raw Text
Markdown text to display. You can enter the text you want to display here, by applying formatting through the use of Markdown. If you want the text to change, depending on different screens, you can bind this to a value in your Spreadsheet. If you want to set up a Manipulation in your Experiment Tree, you can bind this to a value for a Manipulation. If you want to display text which has previously been written to the Store, you can bind this to a value from your Store.
Text Size (px)
The base size of the text, in pixels. By default, it is set to size 18.
Autoscale
If set, scale the text according to the size of the screen.
H Align
Horizontal alignment. Use this to align the text to the left, center, or right of its bounding box.
V Align
Vertical alignment. Use this to align the text to the top, middle, or bottom of its bounding box.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Text component allows you to display any unformatted text on the screen. It is usually used to display text stimuli. Spreadsheet values, Manipulations and Store Fields can be embedded into the text. If you want to use formatted text, you can use the Markdown Text component instead.
Samples that use this component
N-Back Task (with binding to the Spreadsheet)
Alternate Task Switching (on the instructions and debrief screen)
Text
The text that will actually be displayed on the screen. If you want the text to change, depending on different screens, you can bind this to a value in your Spreadsheet. If you want to set up a Manipulation in your Experiment Tree, you can bind this to a value for a Manipulation. If you want to display text which has previously been written to the Store, you can bind this to a value from your Store.
Text Size (px)
The size of the text, in pixels. By default, it is set to size 18.
Autoscale
If set, scale the text according to the size of the screen.
H Align
Horizontal alignment. Use this to align the text to the left, center, or right of its bounding box.
V Align
Vertical alignment. Use this to align the text to the top, middle, or bottom of its bounding box.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Video component allows you to display a video on the screen. You can upload the video file within your component or via the Stimuli tab. For some information about file size and supported formats, have a look at the information at our Technical Checklist. You can read some more information about autoplaying Video in our Troubleshooting guide.
Samples that use this component
Hebb Learning with Video break
Tutorials that use this component
Triggering videos to start playing
Video
The video to display. If you want the video to change, depending on different screens, you can bind this to a value in your Spreadsheet. If you want to set up a Manipulation in your Experiment Tree, you can bind this to a value for a Manipulation. If you want to play a video which has previously been written to the Store, you can bind this to a value from your Store. By default, the video is set to be inactive at the start of the screen, which means that it won't automatically start playing. However, you can use a Trigger - Active component, set to Screen Start, to make the video play from screen start.
Controls
Whether or not to enable the standard video controls (allowing the participant to control play, pause, fullscreen mode and others).
Muted
Whether to play the video muted (muted videos will always autoplay). Autoplay means that, when instructed to, Gorilla will try and play the video without any direct action from the participant. Usually, browsers will prevent this from happening on videos that have audio. So, if you had a video unmuted, and set to play from the start or after a fixed amount of time using Trigger - Active, the browser may block it from playing. However, if you have the video set to be muted, then Gorilla triggering the video to play (rather than the participant) should be allowed.
Max Plays
Maximum number of times this video can be played. This does not apply if Controls are active.
Auto Advance
If set, advance the screen when the video finishes playing.
Restart on Deactivate
If the video receives a deactivate command, it will default to pausing the video in place. When then given an activate command, it will resume where the participant left off. When this setting is switched on, it will instead restart the video from the beginning.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Display video chat on the screen. This will broadcast the current player's video to other players, and show the video stream from other players.
Once you add an video chat component to your task, Gorilla will set up a recording initialisation that checks whether participants are able to record themselves on their device.
Hide Current Player
Whether to hide the current player (so only the other players are shown).
Preserve Room Order
Whether to preserve player order (so players are always in room order).
Position
Position of the center of the bounding box, relative to the center of container.
Size
Size of the bounding box
The Audio Recording component allows you to record audio from your participants by using the participant's microphone. The Audio Recording component is useful when you need to record a participant's voice as part of a task. This is especially useful in language studies. You can record up to 20 minutes for a single recording.
By default, the Audio Recording component will start recording as soon as the screen starts. To disable this behaviour, you will need to add a Trigger - Active component set to deactivate the Audio Recording component on Screen Start. You can then add a second Trigger to activate the Audio Recording component when you want recording to start -- for example, after a certain amount of time has elapsed, or on receiving a Click Response from the participant.
Once you add an audio recording component to your task, Gorilla will set up a recording initialisation that checks whether participants are able to record themselves on their device.
Once you download your audio recordings, these will appear in webm format. If you need them in any other format, any audio processing software will be able to help you with that.
Samples that use this component
File Prefix
A custom prefix to use as part of the filename for the audio recording.
Recording Buffer
Adds additional recording time as a buffer to the end of the recording. If you find the end of a participant's response is being cut off, increase this value. Defaults to 250 ms if left empty.
Accessing audio files (in preview mode): When previewing a task, your audio files can be accessed via a URL placed in the metrics. After the preview has finished, download the data and find the URL in this file.
Accessing audio files (in full experiment): When running a full experiment, all of the audio files can be accessed from the 'Manage Experiment Data' button on your Experiment's Data page. The zip folder with all your metrics data will include an 'Uploads' folder, containing all of your audio files.
Getting speech onset times: Sometimes, you need to get the speech onset latency estimates for recorded audio files. The automated tool Chronset could help you doing this for several audio files at once.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Button component adds a standard HTML button. You'll need to add another component to this object to make it do anything, for example, the Click To Continue component or the Response component. If you are just looking for a standard Continue Button, you can find it in the prefabs.
Samples that use this component
Tutorials that use this component
Triggering videos to start playing
Label
The label to display on the button.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The canvas painting component defines an area of the screen participants can paint on like a canvas. This could be single, or multiple, full brush strokes. You can have a single fixed colour, or combine this component with the Palette component and offer a range of colour options. You can choose to save the data as an image just containing the painting, or an image with the background element (image/video) saved as well.
If you want participants to be able to erase their painting and start again, you can instruct them to refresh the page. This will take them back to the same screen, but with a blank canvas.
Samples that use this component
Recording Mode
The recording mode indicates how the canvas painting data should be saved. 'Canvas' will save an image of the painted Canvas only. 'Canvas and background' will include the object specified by the background target setting
Colour Mode
Controls the colouring mode. Single means only one colour will be available and is automatically applied to the brush. Palette means a Palette component can be used to allow multiple colours to be available
Brush Width
The width of the brush in pixels
Brush Colour
If the Colour Mode is set to Single, this setting controls the colour of the brush
Background Target
If the Recording Mode is set to Canvas and Background, this settings allows you to choose which background object should be included
File Prefix
File Prefix - a custom prefix to use as part of the filename for the canvas painting image
Player
The player that can interact with this canvas when in Multiplayer mode
The click painting component defines an area of the screen participants can place painted dots on. This could be a single dot or multiple dots. You can have a single fixed colour, or combine this component with the Palette component and offer a range of colour options. You can choose to collect the data just as x,y coordinates of the clicks, or as a full image containing the painted dots. This can additionally include the background element (image/video) as well.
Coordinates represent distance in pixels from the origin, which is at the top-left corner of the click painting area (i.e., the y-axis is inverted). Coordinates are not normalised, so maximum x and y values will differ for participants with different screen sizes.
Samples that use this component
Recording Mode
The recording mode indicates how the click painting data should be saved. 'Coordinates' will save only the coordinates of a click to the metrics - no image will be uploaded. 'Canvas' will save an image of the painted Canvas only. 'Canvas and background' will include the object specified by the background target setting
Colour Mode
Controls the colouring mode. Single means only one colour will be available and is automatically applied to the brush. Palette means a Palette component can be used to allow multiple colours to be available
Brush Width
The width of the brush in pixels
Brush Colour
If the Colour Mode is set to Single, this setting controls the colour of the brush
Background Target
If the Recording Mode is set to Canvas and Background, this settings allows you to choose which background object should be included
File Prefix
File Prefix - a custom prefix to use as part of the filename for the click painting image
Player
The player that can interact with this canvas when in Multiplayer mode
The Click Response component can be added to an object and allows you to trigger a response when this object is clicked on. You can find it implemented in the prefabs Image Response and Text Button Response.
Samples that use this component
Tutorials that use this component
Triggering videos to start playing
Response
The response to submit when this object is clicked on. This field can be left empty or used to score participants' answers as correct or incorrect, for example, by setting a Scorer in the Screen tab.
Tag
The tag for this response.
Change cursor to pointer
If toggled on, the mouse cursor for this object will be changed to a pointer.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Click here for more information about response tagging.
The Keyboard Response component can be used to trigger responses based on keyboard presses.
Samples that use this component
Mappings
Set of Keys to listen for and Responses to record. Each key you want to listen for can be bound to a response. The response field can be left empty or used to score participants' answers as correct or incorrect, for example, by setting a Scorer in the Screen tab.
Tag
Tag for this response.
Enforce Key Release
If set, Gorilla will require that target keys are released before the screen advances. While this may reduce the impact of participants holding down the key (intentionally or otherwise), it can increase the length of time that the screen is visible for. If screen timing must be tightly controlled, this setting should be left inactive.
Metric on Key Release
If set, Gorilla will trigger an additional metric on key release. This metric will have _keyup appended to the existing response value.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Click here for more information about response tagging.
The Mouse Button Response component enables you to listen to different mouse clicks and record them as different responses.
Samples that use this component
Categorisation Task - Mouse Response
Mappings
Set of mouse buttons to listen for. Left and right mouse button you want to listen for can both be bound to a response. The response field can be left empty or used to score participants' answers as correct or incorrect, for example, by setting a Scorer in the Screen tab.
Tag
Tag for this response.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Click here for more information about response tagging.
Provide a set of colours for a user to select from. Use this in conjunction with the Canvas Painting component or the Click Painting component to allow participants to change the colour of their paint brush.
Colour Options
The set of colours available to the participant
Painting Target
The object containing the painting component
Trigger responses from a number input. Includes a button to submit the response.
Samples that use this component
Label
Text to show left of the number input, for example if you want to add instructions.
Button
Text to show on the submit button.
Text Size (px)
Size (in pixels) of all text in this component.
Autoscale
If set, scale the text according to the size of the screen.
Tag
The tag for this response.
Use Limits
Turn this on to only allow numbers in a specific range.
Minimum
Minimum allowed value for number.
Maximum
Maximum allowed value for number.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Click here for more information about response tagging.
The Single Text Entry lets you trigger responses from a text input. Once the input is complete, participants need to click the submit button for their answer to be saved and to be able to move to the next screen. This component is similar to the Text Entry component. While the Single Text Entry component can submit it's own response, triggering a response during the screen, the Text Entry component only has it's response triggered at the end of the screen.
Samples that use this component
Real Effort Number Counting Task
Vocabulary Learning and Testing Task
Label
Label to show next to the text input field. This can be used as reminder for participants of what they are supposed to enter.
Button
Label to show on the submit button.
Text Size (px)
Size (in px) of all text in this component, including button and label.
Autoscale
If set, scale the text according to the size of the screen.
Tag
The tag for this response.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Click here for more information about response tagging.
The Video Recording component allows you to create video files of your participants, via their webcam. When previewing your task, the video recordings can be accessed via a URL found in the metrics. When running a full experiment, the video recording files can be found in a zip folder called 'uploads', once your data has been generated. You can record up to 10 minutes for a single recording.
Once you add an video recording component to your task, Gorilla will set up a recording initialisation that checks whether participants are able to record themselves on their device.
We are aware of an issue with the Safari browser where the Video Recording component will sometimes fail to upload recordings at the end of a task, causing the task to get stuck on the final screen. We are investigating this issue; in the meantime, we advise that you test your video recording task thoroughly across browsers, and consider screening out participants using the affected browser.
Samples that use this component
File Prefix
A custom prefix to use as part of the filename for the video recording. This is useful for identifying the different video recording files in your metrics.
Recording Buffer
Recording buffer - adds additional recording time as a buffer to the end of the recording. If you find the end of a participant's response is being cut off, increase this value. Defaults to 250 ms if left empty.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Dropdown component adds a simple dropdown menu, from which the participant can select one answer from the set of options you provide.
This component is a passive response component. This means that the response itself will not advance the screen. You will need to add another component, such as a Continue Button or a Time Limit, to submit the response and advance the screen. Passive responses are not evaluated until after the screen is ready to advance. This means you cannot use a passive response to determine which screen a participant gets sent to in a Branch component.
Tutorials that use this component
Use separate Responses and Labels
If set, allows you to specify separate labels (displayed to the participant) and responses (shown in your data)
Options
Set of options to show in dropdown
Allow
If set, adds an "Other" option to the dropdown, with a conditional text box response when selected
Other
Label for your "Other" option
Randomise Order
Randomises the order of options within the dropdown
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Allow a number to be entered into a text box. This component is passive - its 'response' is collected when the screen ends.
This component is a passive response component. This means that the response itself will not advance the screen. You will need to add another component, such as a Continue Button or a Time Limit, to submit the response and advance the screen. Passive responses are not evaluated until after the screen is ready to advance. This means you cannot use a passive response to determine which screen a participant gets sent to in a Branch component.
For an active response alternative to the Number Entry (Passive) component, use Single Number Entry.
Tutorials that use this component
Use Limits
Turn this on to only allow numbers in a specific range.
Minimum
Minimum allowed value for number.
Maximum
Maximum allowed value for number.
Required
Whether or not a participant is forced to enter something into the text field.
Tag
Tag for this response.
Text Size
The size of the text, in pixels.
H Align
Horizontal alignment. Use this to align the text to the left, center or right of its bounding box.
V Align
Vertical alignment. Use this to align the text to the top, middle or bottom of its bounding box.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Rating Scale component adds one set of Likert-style choices, from which participants can pick a single option.
This component is a passive response component. This means that the response itself will not advance the screen. You will need to add another component, such as a Continue Button or a Time Limit, to submit the response and advance the screen. Passive responses are not evaluated until after the screen is ready to advance. This means you cannot use a passive response to determine which screen a participant gets sent to in a Branch component.
Samples using this component
Auditory Sentence Predictability Task
Tutorials that use this component
Use separate Responses and Labels
If set, allows you to specify separate labels (displayed to the participant) and responses (shown in your data).
Options
Set of options to show in the scale. Use label for the rating words/numbers you want participants to see and choose from. Use value to indicate what value the response will have if the participant selects that option.
Left Label
The label that will be shown to the left of the scale.
Right Label
The label that will be shown to the right of the scale.
Required
Whether or not a participant is forced to choose an option from the rating scale.
Tag
Tag for this response.
Text Size
The size of the text, in pixels. By default, it is set to size 18.
H Align
Horizontal alignment. Use this to align the text to the left, center or right of its bounding box.
V Align
Vertical alignment. Use this to align the text to the top, middle or bottom of its bounding box.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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The Slider component lets you add a simple slider. The participant can drag the slider to a value within the range you set. The range defaults to 0 - 100.
This component is a passive response component. This means that the response itself will not advance the screen. You will need to add another component, such as a Continue Button or a Time Limit, to submit the response and advance the screen. Passive responses are not evaluated until after the screen is ready to advance. This means you cannot use a passive response to determine which screen a participant gets sent to in a Branch component.
Samples that use this component
Tutorials that use this component
Minimum Value
The minimum value on the slider.
Maximum Value
The maximum value on the slider.
Starting value (min)
The minimum starting value. The actual value will be between this and the maximum value.
Starting value (max)
The maximum starting value. The actual value will be between this and the minimum value.
Left-side label
The label to display to the left end of the slider.
Right-side label
The label to display to the right end of the slider.
Show tooltip
Whether to show the values above the slider in a tooltip.
Hide handle until click
Hides the slider handle until a first click.
Step Size
The step size for the slider (responses will be rounded to the nearest step).
Continuous Polling
Allow the slider to be continuously polled, uploading a metric at a set interval with the current slider value (if the value has changed since the last interval).
Polling Interval (ms)
The polling interval to be used - the time between slider values being queried. The minimum this can be set to is 500ms.
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The Text Entry components allows a participant to enter text into a text box.
This component is a passive response component. This means that the response itself will not advance the screen. You will need to add another component, such as a Continue Button or a Time Limit, to submit the response and advance the screen. Passive responses are not evaluated until after the screen is ready to advance. This means you cannot use a passive response to determine which screen a participant gets sent to in a Branch component.
For an active response alternative to the Text Entry component, use Single Text Entry.
By default, the Text Entry component will auto-snap (i.e. place the flashing cursor in the text entry box) so that participants can start typing on screen start without having to click on the box. To disable this behaviour, you will need to add a Trigger - Active component set to deactivate the Text Entry component on Screen Start.
Samples that use this component
UI/UX Prototype Navigation Task
Number of Rows
How many rows tall the input box should be.
Initial Text (Optional)
Initial text to be displayed in the text field. If left blank, the text field will initially be empty.
Required
Whether or not a participant is forced to enter something into the text field.
Tag
Tag for this response.
Text Size (px)
The size of the text, in pixels. By default, it is set to size 18.
H Align
Horizontal alignment. Use this to align the text to the left, center or right of its bounding box.
V Align
Vertical alignment. Use this to align the text to the top, middle or bottom of its bounding box.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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The Feedback component enables you to show an image that indicates if the participant's response was correct or incorrect. By default, a green tick will be shown if the response was correct, and a red cross if it was incorrect. You can also use your own feedback images via the Use Images setting.
Samples that use this component
Implicit Attitudes Test (IAT) - pictures and words
Vocabulary Learning and Testing Task
Alternate Task Switching - Uses custom Feedback images and audio feedback
Text Size
Size of the feedback symbol.
Autoscale
If set, scale the text according to the size of the screen.
Duration (ms)
How long to show the feedback for. Leave empty to show until the end of the screen.
Use Images
Whether to use images instead of the standard symbols.
Correct
Image to use for a correct response.
Incorrect
Image to use for an incorrect response.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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This component can be used to display the current response. This is useful for tasks like Digit Span where you want the participant to be able to see the response they have given so far.
This component is designed to be used with a Text component. Any response with a response type of Response or Action will be set as the content of the text component. You can use it in conjunction with Collate Responses or Compound Responses to show the response that the participant has entered so far.
This is a purely visual component - if you want to save a response to the store to use later, consider using Save Response.
Samples that use this component
Required Tags
Only responses with the set tags will be displayed. All other responses will be ignored. If unset, all responses will be shown.
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Set the background colour for this object (which means not the whole screen, unless your object fills the entire screen).
Samples that use this component
Background Color
Use the colour slider or choose an RGB, HSL or HEX code to define a colour. If binding to the spreadsheet, the easiest is to use HEX codes (with or without the # at the beginning of the code), but you can also use RGB codes in the format: rgb(0,0,0).
Opacity
Control how opaque or transparent the colour appears. 0 = full transparency, 100 = full opacity. By using this setting on an object with a blank Text component, you can use the Background Color component to create a semi-transparent mask over your stimuli.
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The Background Color Hover component allows you to set the background colour for this object (which means not the whole screen) and change the colour when hovered over and/or when the screen has completed. If binding any of the settings below to the spreadsheet, the easiest is to use HEX codes (with or without the # at the beginning of the code), but you can also use RGB codes in the format: rgb(0,0,0).
Samples that use this component
Normal
Normal background colour, which is shown by default, before the participant moves the mouse. Use the colour slider or choose an RGB, HSL or HEX code to define a colour.
Hover
Background colour to show when hovering over the object, before the screen is completed (for example, via a Click Response).
Selected
Background colour to show when the element has been interacted with.
Opacity
Control how opaque or transparent the colour appears. 0 = full transparency, 100 = full opacity. By using this setting on an object with a blank Text component, you can use the Background Color - Hover component to create a semi-transparent mask over your stimuli.
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Display a coloured border around a visible element. If you want the border to change dynamically with the participant's mouse movements, consider using the Border - Hover component.
Samples that use this component
Border Color
The colour of the border. Use the colour slider or choose an RGB, HSL or HEX code to define a colour.
Border Size
How thick the border is, in pixels.
Border Radius
The radius of the border. Use 0 for sharp right-angled corners, and after that the radius of the border in pixels.
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Set the border colour for this object and change it when hovered over. If you don't want it to change, consider using the Border component instead.
Samples that use this component
Normal
Normal border colour, as shown by default. Use the colour slider or choose an RGB, HSL or HEX code to define a colour.
Hover
Border colour to use when the object is hovered over, before the screen is completed (for example, via a Click Response).
Selected
Border colour to use when the element has been interacted with.
Border Size
How thick the border is, in pixels.
Border Radius
The radius of the border. Use 0 for sharp right-angled corners, and after that the radius of the border in pixels.
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The Text Color component lets you set the colour of the text of an object. Most often, it is used with a Text or Markdown Text component. If you want the text colour to change when the text is hovered over, consider using the Text Color - Hover component.
Samples that use this component
Text Color
Colour to set the text to. Use the colour slider or choose an RGB, HSL or HEX code to define a colour. If binding to the spreadsheet, the easiest is to use HEX codes (with or without the # at the beginning of the code), but you can also use RGB codes in the format: rgb(0,0,0).
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The Text Color - Hover lets you set the colour of the text of this object and makes it change when hovered over. If you want the text colour not to change when hovered over, consider using the Text Color component. If binding any of the settings below to the spreadsheet, the easiest is to use HEX codes (with or without the # at the beginning of the code), but you can also use RGB codes in the format: rgb(0,0,0).
Samples that use this component
Normal
Normal text colour, which is shown by default, before the participant moves the mouse. Use the colour slider or choose an RGB, HSL or HEX code to define a colour.
Hover
Text colour to show when hovering over the object, before the screen is completed (for example, via a Click Response).
Complete
Text color to show when the screen is complete.
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When you add this component to an object, the participant can click on that object to activate it. This applies to audio and video stimuli, where 'activate' means 'start playing'. Use this component when you want the participant to click to play the audio or video, rather than it playing automatically at the start of the screen. For more ways of triggering audio and video to start playing - for example, after a defined amount of time has elapsed - see the Trigger - Active component.
With a video, the participant can click the video directly to start it playing - simply create an object with a Video component and a Click to Activate component. With an audio clip, you'll also need to add a visual component for the participant to click, such as a Button.
Samples that use this component
Tutorials that use this component
Triggering videos to start playing
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You can add the Click to Continue component to an object to be able to advance to the next screen when the object is clicked on. This can be used together with a Button component, an Image component and a lot more. If you want the click to be timed and scored as a response, consider using the Click Response component instead.
Samples that use this component
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The Countdown component lets you display the remaining time for the screen, in seconds. Adding a Countdown component to your screen will automatically also add a Time Limit component to the Screen tab.
Samples that use this component
Tutorials that use this component
Screen Timelimit and Countdown
Text Size (px)
The size of the text, in pixels.
Autoscale
If set, scale the text according to the size of the screen.
H Align
Horizontal alignment. Use this to align the text to the left, center or right of its bounding box.
V Align
Vertical alignment. Use this to align the text to the top, middle or bottom of its bounding box.
Show Partial Time Remaining (ms)
This is helpful if you only want to display the countdown towards the end of the time limit of the screen. Use this to specify the amount, in ms, of the remaining time you want to display the countdown for.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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Allow this Object to be dragged around the screen. For full functionality, there needs to be at least one additional object on the screen with a Dropzone component to create areas that Draggable objects can be dragged onto to generate a response. The Draggable object should be placed at the highest layer (i.e. the bottom of the list of objects), otherwise it could get dragged behind other objects and no longer be available for participants to move.
The generated response will be a concatenation of the response in the Draggable component and the response in the Dropzone component. For example, if the Draggable has the response 'ItemA' and the Dropzone has the response 'ZoneB', then dragging the Draggable onto the Dropzone will generate a response with the value 'ItemAZoneB'
To allow participants to drag multiple objects or to let them change their mind before submitting their response, consider adding a Continue Button and an Advance - Response screen component.
Tutorial that uses this component
Response
The response to submit when this object is clicked on.
Tag
The tag for this response.
Single Use
If set, this draggable can only be dragged once.
Drop in Place
If set, this draggable will be dropped where it lands, rather than moving to the centre of the dropzone.
Store Location
The response to submit when this object is clicked on.
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Allow objects with the Draggable component to be dropped on this object. Draggable objects will snap to this object when dragged nearby and, when released, will submit a response. Use multiple objects with the Dropzone component to allow multiple response options.
Tutorial that uses this component
Response
The response to append to the draggable response when dropped in this dropzone
Tag
The tag for this response.
Single Occupant
If set, only one draggable can occupy this dropzone at once.
Restrict To Tag
If set, only allow draggables with this response tag into this dropzone
Store Occupant
If set, only one draggable can occupy this dropzone at once.
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When objects are dragged into or out of this dropzone, increment or decrement a field accordingly. Requires a Dropzone component on this object.
Counters
The set of counters to maintain
The Fixation Timing component controls the display of a fixation (hide, show, hide). Combine with a Fixation Cross for a quick and easy cross, or add an Image component to use a custom fixation image. The Fixation Timing component will automatically advance the screen once complete.
Samples that use this component
Stop Signal Task (used together with the Fixation Cross component)
Flanker Task (with Display Time being set through the Spreadsheet)
Pre-display Time (ms)
Time between the start of the screen and the display of the fixation.
Display Time (ms)
Time to display the fixation for.
Post-display Time (ms)
Time between the end of the fixation display and the end of the screen.
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You can add the Key to Continue component to an object to be able to advance to the next screen when a certain key is pressed. If you want the key press to be timed and scored as a response, consider using the Key Response component instead.
Samples that use this component
Key
Which keyboard key to listen for. Use the words space, enter, backspace, up, down, left or right for those keys, or simply the letter of a regular key.
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The Progress Bar component lets you display a visual progress bar, to indicate a participant's progress through a set of trials, a task, or experiment. It is commonly linked to the Increase Progress Screen component, but can be linked with other measures of progress such as number of correct responses etc.
Samples that use this component
Relational Reasoning with Progress Bar
Tutorials that use this component:
Progress Maximum
The maximum value the progress field can take. For example, if you want to show the participant's progress through 20 trials, you should set this to 20.
Colour
Select the progress bar colour.
Use Custom field
Set up a custom field in the store for accessing the progress data. If used, this must match the field used by the Increase Progress Screen component.
Progress Field
The value to increment for this progress condition.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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The Section Countdown enables you to display the remaining time for an active Section Time Limit, in seconds or minutes:seconds. As the Countdown component, which is used together with a Time Limit component for the Screen, the Section Countdown is used together with a Section Time Limit. The Section Time Limit can span over several screens, and its countdown can be used to indicate remaining time for the entire section.
Samples that use this component
Text Size (px)
The size of the text, in pixels.
Autoscale
If set, scale the text according to the size of the screen.
H Align
Horizontal alignment. Use this to align the text to the left, center, or right of its bounding box.
V Align
Vertical alignment. Use this to align the text to the top, middle, or bottom of its bounding box.
Show Partial Time Remaining (ms)
This is helpful if you only want to display the countdown towards the end of the time limit section. Use this to specify the amount, in ms, of the remaining time you want to display the countdown for.
Position
Position of the center of the bounding box, relative to the center of the container. You can change the x- and y-coordinates.
Size
Size of the bounding box. You can change the x- and y-coordinates.
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You can add the Space to Continue component to an object to be able to advance to the next screen when the space bar is pressed. If you want the space bar press to be timed and scored as a response, consider using the Key Response component instead.
Samples that use this component
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Find another object on the screen with a name matching our target. If found, start where that object starts, otherwise start in our natural place.
This can be useful if you use it in combination with the Draggable and Dropzone. For example, you could ask a participant to drag and drop a set of items, perhaps to put them into different categories, and you can save their position to the Store. Then, you could redisplay where they placed them by using this component on a different screen.
Location
The location to start this object in.
The Trigger - Active component lets you control the activity state (activated or deactivated) of an object. You can configure this object to become active or be deactivated at the start of the screen, after an amount of time, or when a response is received. This is often used for delaying the onset of an object's functionality. While the Trigger - Enabled component relates to things that the participant can interact with, the Trigger - Active component relates to things that happen to the participant (e.g., audios and videos playing).
Samples that use this component
Auditory Sentence Predictability Task
Alternate Task Switching - Uses Trigger - Active to give audio feedback
Tutorials that use this component
Triggering videos to start playing
Triggers
List of triggers, which can change the activity state of the object. For example: Screen Start, Time Elapsed, Click, Response, Response Accuracy, Response Tag, Response Time. For each trigger, you will have several different configurations, but some will be in common. You can decide whether to trigger the activity state of the current object or another one, whether you want it to activated or deactivated and whether you want a time limit for the activation/deactivation.
Control the state (enabled or disabled) of this object. You can configure this object to become enabled or disabled at the start of the screen, after an amount of time, or when a response is received. Often used for controlling whether an object's interactivity can be used. While the Trigger - Active component relates to things that happen to the participant, the Trigger - Enabled component relates to things that the participant can interact with (e.g., keyboard components, buttons, etc.).
Samples that use this component
Triggers
List of triggers, which can enable the object it's applied to. For example: Screen Start, Time Elapsed, Click. For each trigger, you will have several different configurations, but some will be common to all.
By default, Gorilla is listening for responses as soon as the screen starts. On your Screen tab, set the Screen Manager Response Window to 'Manual' and then in your Objects tab use the Trigger - Response Window component to open the response window at a more suitable point in the screen. If a participant tries to respond before the response window is open, you'll still be able to see it in your metrics as 'too early', but it won't count as a genuine response and won't be scored as correct/incorrect or advance the screen, for example. This is useful if you don't want to start counting reaction times while, for example, an image or text is displayed.
Samples that use this component
Triggers
List of triggers, which can open the Response Window of the screen. For example: Screen Start, Time Elapsed, Click. For each trigger, you will have several different configurations, but some will be common to all.
The Trigger - Visible component lets you control the visiblity of this object. You can configure the object to show or hide at the start of the screen, after an amount of time, or when a response is received. It is often used for implementing feedback, but can be handy for showing timed stimuli as well.
At the moment it's not possible to trigger visibility based on the end of an audio or video file but you can achieve this by creating a column in the spreadsheet with the file duration. On the object that you want to trigger the visibility of, you need to add the Trigger - Visible component, add a trigger, and set the trigger to 'Time Elapsed'. In the 'Time' field, you can bind this to the spreadsheet column with the file durations (in milliseconds). 'Target' refers to the object that you want to apply the trigger to - most of the time this will be 'Self' (i.e. the object that you added the component to) but you can choose any object on that screen if you so wish. Under 'Visibility' select 'Visible' (you'd select 'Invisible' if you wanted to hide the object). This should now only show the object after the number of ms specified in your spreadsheet have elapsed.
Samples that use this component
Triggers
List of triggers, which can change the visibility of the object. For example: Screen Start, Time Elapsed, Click, Response, Response Accuracy, Response Tag, Response Time. For each trigger, you will have several different configurations, but some will be in common. You can decide whether to trigger the visibility of the current object or another one, whether you want it to appear or disappear and whether you want a time limit for the appearance/disappearance.
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The Advanced Postioning component is used to further control how objects are sized and positioned on a screen. Using this component, you can define the size and position in either absolute pixels, in terms of the grid, or percentage of the screen window.
There is more information about how this component can be used in the Layout and Positioning Guide
Samples that use this component:
Unit
The unit to define size and position in. Select from Grid, Percent, or Pixels.
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Use this component to overlay this object on top of another object, and define its size and position relative to that other object, rather than the screen.
This is useful e.g. for placing Hotspots over images or videos
Samples that use this component
Visual Search Click on Location
UI/UX Prototype Navigation Task
Tutorials that use this component
Triggering videos to start playing
Target
The object to define this object's size and position relative to.
This component controls how the screen advances when a response is received. By default, the screen will advance when the first response is received. This response can be any accuracy. When the Advance - Accuracy component is added to the screen, you can choose to only advance the screen when the first correct or incorrect response is received. In order for this to work, you would also need to add a Scorer component. Alternatively, this component can be used to trigger the screen to advance when timed out by a Time Limit component or when a Continue Button is pressed.
Samples that use this component:
Advance On
The response accuracy to advance the screen on.
This component controls how the screen advances. By default, the screen will advance when the first response is received. When the Advance - Continue component is added to the screen, the screen will only advance when a continue response is received, preventing other responses from advancing the screen.
You can also choose to allow time limits to also advance the screen, while still preventing responses from advancing the screen. You can do this by using an Advance - Time Limit component.
The Advance - Response component controls how the screen advances when a response is received. By default, the screen will advance when the first repsonse is received. You can use this component to only advance the screen when a specific response is received. You can directly enter this into the Response field of the component, or you can bind the response to the spreadsheet, if you want the response to vary trial by trial.
Alternatively, the Time Limit component or Click To Continue will continue to advance the screen when using this component.
Samples that use this component:
Visual Search Click on Location
Response
Choose the specific response that will trigger the screen to advance.
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This component controls how the screen advances. By default, the screen will advance when the first response is received. When the Advance - Time Limit component is added to the screen, the screen will only advance when a time limit is reached, preventing responses from advancing the screen.
Use the Branch component to control the flow of screens within a display. You can branch participants based on their response, the accuracy of their response, or the value of a field in the store. The default is for participants to go through each screen of a display sequentially, like a slideshow. But with the Branch component, you can control the flow of screens and send participants to other screens within the display instead. This is useful when you want to branch participants to different feedback screens based on their response.
Samples that use this component
UI/UX Prototype Navigation Task
Real Effort Number Counting Task
Tutorials that use this component
Destinations
List of locations to branch participants to.
Criteria: Select the condition to be met for the branching to take place.
Filter: Only available when Response or Response accuracy criteria are selected. Use this toggle to create more complex branching using the Comparison dropdown.
Screen: Choose the screen within the display to branch participants to if the criteria are met. If you want participants to be branched to the next row in the spreadsheet, set this to 'End Display'.
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Use this component to change the difficulty of a task by switching to a different spreadsheet based on a set criteria. You can set conditions for when you would like the difficulty to increase or decrease, reset the accumulated 'score' when the difficulty changes, and whether you would like to preserve the participant's position within the spreadsheet or not.
Samples that use this component:
Memory Intrusion with Change Difficulty (Spreadsheet)
Minimum Trials
Use this to set how many trials a participant should complete before switching to another spreadsheet. Leave blank if Gorilla should start testing the switching conditions straight away and on each trial.
Conditions
An array of conditions to test in order to adjust the difficulty, by making the task harder or easier. You can add multiple conditions.
Value: Which value to use for comparison. This will usually be a field from the store e.g. using the Save Accuracy component to save Correct and Incorrect answers to a field in the store, and then using the name of that field here.
Condition: How to compare the store field to the threshold value. Choose the condition logic from the dropdown menu.
Threshold: The value that is tested according to the condition logic to change the difficulty.
Direction: If the condition is met, choose whether the difficulty should change to Easier or Harder.
Spreadsheets (easier to harder)
All spreadsheets for this task need to be added here, ordered from easiest to hardest.
When Changing Spreadsheet
A list of fields to update when changing spreadsheet. We often want to change difficulty based on accumulated scores, e.g. number of correct answers or percentage correct. When changing to a new difficulty, we often want to reset these values, as they now pertain to the previous difficulty level we were on.
Set Field: Choose which field to update. This will often be the field which stores the score.
To Value: State the value which you would like the field to be set to when changing spreadsheets.
Spreadsheet Mode
When changing spreadsheet, Linked mode will preserve the row index between spreadsheets (so if you're on row 6 of SpreadsheetA, and need to go up to SpreadsheetB, you will jump to row 7 of SpreadsheetB). This is useful if you want to maintain a fixed length of trials, and all your difficulty spreadsheets are the same length. Alternatively, Separate mode will keep each spreadsheet's index separate, so if you're on row 6 of SpreadsheetA and need to go up to SpreadsheetB, you will start on row 1.
Change the difficulty by "Staircasing" a field (or set of fields). Define start values, minimums, and maximums as well as step up and step down values for the fields. Different conditions can be defined for when the field should be adjusted and in which direction.
For example, you might want to adjust the time between two stimuli based on a participant's response time on the previous trial.
Samples that use this component:
Minimum Trials
Use this to set how many trials that this instance of the staircasing component needs to run before the staircasing implements. Leave blank if Gorilla should start testing the staircasing conditions straight away and on each trial.
For example if you want to step up/down based on the combined accuracy of the previous five trials you would set this to '5'. Then, every five trials, the staircase conditions will be tested.
Conditions
An array of conditions to test in order to adjust the staircase up or down. You can add multiple conditions.
Step Parameters
Specify an array of step parameters with details on how to step them if the staircasing conditions are met. You can add multiple instances of Step Parameters.
When Changing Step
List of fields to update when stepping up or down. We often want to change difficulty based on accumulated scores, e.g. number of correct answers or percentage correct. When changing to a new difficulty, we often want to reset these values, as they now pertain to the previously difficulty level we were on. You can add multiple instances of this setting.
This component listens for individual responses and combines them together into a single response. You can set how many responses you would like to collate into a single response, and define the type of responses you would like the component to listen for. For example, if you have a series of Text Button Responses and a Section Time Limit, you will only want the Collate Responses component to listen for the Text Response tags. To advance the screen, a Time Limit or Continue Button (such as with a Click to Continue component) must also be added.
Collating responses is useful for trials where you want the participant to enter a sequence of responses (e.g. Digit Span, Trail Making) and, unlike Compound Responses, only capture the final one when they are finished.
Samples that use this component:
Tutorials that use this component:
Collating Responses (Task Builder 2)
Required Tags
Only responses with the set tags will be combined. All other responses will pass through (and be processed by other screen components normally). If unset, all responses will be combined.
Response Count
How many individual responses should make up a single response. Once the combined response incorporates this many responses, further responses will not be added (but the backspace option can be used to remove responses). If zero or blank, will allow any number of responses to be combined.
Joining Character
When combining responses, will join them using this character (e.g. if using a comma, the responses A and B will be combined as A,B). You can type in the character you want Gorilla to use when separating responses.
Backspace Response
Treat this response as a backspace character, and remove the most recent response from the list. Whenever this response is triggered, instead of that response being added to the collated response, the most recent response is removed. You could trigger this using the backspace key by adding a Keyboard Response Component and choosing the backspace key. Then, set the response of this key, for example 'back', and then set the Backspace Response in the Collate Response component to match this. You could set this up in the same way using clickable images, too, ensuring the click response matches the Backspace Response.
Tag
Tag for the final response that is submitted.
This component will combine individual responses into a single, combined response. You can set how many responses you would like to combine, and define the type of responses you would like the component to listen for. For example, if you have a series of Text Button Responses and a Section Time Limit, you will only want the Compound Responses component to listen for the Text Response tags. Compound Responses, unlike Collate Responses, captures all responses you have defined. Once the Response Count has been reached, by default the screen will automatically advance.
The Compound Response component is useful for trail-making tasks and creating on-screen keyboards, for example.
Samples that use this component:
Required Tags
Only responses with the set tags will be combined. All other responses will pass through (and be processed by other screen components normally). If unset, all responses will be combined.
Response Length
The maximum number of responses that can be combined together into a single response. Once this maximum is reached, no further responses will be added.
Joining Character
When combining responses, will join them using this character (e.g. if using a comma, the responses A and B will be combined as A,B). You can type in the character you want Gorilla to use when separating responses.
Backspace Response
Treat this response as a backspace character, and remove the most recent response from the list. Whenever this response is triggered, instead of that response being added to the compound response, the most recent response is removed. You could trigger this using the backspace key by adding a Keyboard Response Component and choosing the backspace key. Then, set the response of this key, for example 'back', and then set the Backspace Response in the Compound Response component to match this. You could set this up in the same way using clickable images, too, ensuring the click response matches the Backspace Response.
The Early Exit component allows you to break the normal flow of the task spreadsheet by allowing the task to end immediately when certain criteria are satisifed. For example, this can be used in combination with a Text Button Response, and when participants press this button, they will exit the task and progress to the next Node in the Experiment Tree.
Samples that use this component
Early Exit Conditions
The conditions under which the Early Exit should be triggered.
Criteria
Choose, from the dropdown, the criteria that must be satisifed to Early Exit.
Filter
Only available when Response or Response Accuracy criteria are selected. Use this toggle to create more complex Early Exit conditions using the Comparison dropdown.
Exit Field
The field in the store to save the exit value for this condition
Exit Value
The value to set for this Early Exit condition.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
By using the Effort component, participants responses or actions can be collated into a measure of effort. Have a look at the example of the Effort Button in Task Builder 1, which works in the same way. In Task Builder 2, any response mechanism (Keyboard Response, Mouse Button Response, Click Response, etc.) can be used as a measure of effort. Set a threshold for the desired level of effort. When this threshold has been reached, the effort is marked as complete. The response given when effort is satisfed can be used in other components, such as Trigger - Active.
Samples that use this component:
Effort
The number of responses required before the effort is satisfied.
Field
A field in the store that should be used to hold the current effort value. This allows you to use the effort value elsewhere or link it to other components. If unset, the component will store the effort value temporarily only
Response
The value to set for the response when the effort threshold is reached. This will appear in the participant metrics. This could also be used as a trigger for other actions e.g. disabling a response component using Trigger - Active
Tag
The tag for the submitted response
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Jump to Row component is used to control the flow of participants through the spreadsheet. Instead of progressing to the next row, participants will jump to a different row in the spreadsheet depending on their response, response accuracy or the value of a field in the store.
The row that participants jump to can either be a specific, absolute row or a row relative to the current position i.e. going forward or back X rows.
Samples that use this component:
Real Effort Number Counting Task
Destinations
List of criteria participants need to meet in order to Jump to Row.
Criteria: Select the criteria, from the dropdown menu, participants must satisfy to Jump to Row.
Row Index: The row index to jump to. This can be absolute or relative i.e. +10 to go ten rows forward, or -10 to go ten rows back.
Relative to current row: Sets whether the row index should be interpreted as relative to the current row or not.
Use the Jump to Spreadsheet component to change the spreadsheet within a task. Instead of participants progressing to the next row in the current spreadsheet, they can change to a different spreadsheet depending on their response, response accuracy, or the value of a field in the store.
By default, progress in each spreadsheet is stored independently. When a participant switches to a spreadsheet they've never visited before, they will begin on the first row of that spreadsheet. If they switch to a spreadsheet they have been to before, they will continue on the next row of that spreadsheet. This behaviour can be overridden using the Always Return to Start or Match Current Row settings.
Tutorials that use this component:
Jump to Spreadsheet (Task Builder 2)
Destinations
List of criteria participants need to meet in order to Jump to Spreadsheet.
Criteria: Select the criteria, from dropdown menu, participants must satisfy to Jump to Spreadsheet.
Spreadsheet: The spreadsheet to jump to. By default, the participant will jump to the current progress they have in that spreadsheet. If they have never visited the spreadsheet before, that will be the first row.
Match Current Row: Whether to match the row of the current spreadsheet in the spreadsheet we are moving to. This will overwrite the current progress we have in the new spreadsheet. As this setting is incompatible with Always Return to Start (below), it will be hidden when that setting is on.
Always Return To Start: Whether to always return to the start of this spreadsheet. This will overwrite the current progress we have in the new spreadsheet. As this setting is incompatible with Match Current Row (above), it will be hidden when that setting is on.
Track mouse coordinates throughout the screen.
A possible use case could be that you want to measure how much time participants spent with their mouse on image stimuli that were displayed on the screen. You can find an example of this situation in our Mousetracking tutorial. If you don't record coordinates (see setting below), Gorilla will provide the percentage and the exact time participants spent with their mouse on your object components (e.g. images, videos, buttons, etc.).
Samples that use this component
Record Coordinates
Whether to record a stream of all mouse coordinates in a separate file. This stores X,Y positions every time the mouse moves, and thus generates a lot of data. If you're only interested in which zones the mouse was over, or which quadrants of the screen the mouse was in, then you may not need this.
Use the Increase Progress component to increment participants' progress based on participants' response or response accuracy. The progress can be displayed to participants by using a Progress Bar component in conjuction with this Screen Progress component.
Samples that use this component:
Relational Reasoning with Progress Bar
Progress Bar across Multiple Tasks
Tutorials that use this component:
Criteria:
Choose criteria, from the dropdown menu, that participants must satisfy before progress increases. For example, you could choose the criterion to be the amount of correct trials, if you also use the Scorer component in the Screen tab. The 'Always' setting refers to each time a response is received, including responses from a Continue Button. If you would like the Progress Bar to increase once per trial, give the responses tags, and use the Response Tag to increase the Progress.
Use Custom field
Set up a custom field in the Store for accessing the progress data. If used, make sure to use the equivalent setting in the progress bar component you want to display the progress in.
By default, progress accumulates throughout the entire experiment (i.e., across tasks). To have progress reset between tasks, you will need to toggle on 'Use Custom Field' on each Progress Bar and Increase Progress component that you have in your tasks and set this to a different Field for each task. This will ensure progress is tracked separately within each task. Alternatively, if you want to track progress across the whole experiment, just use one Custom Field or toggle this off, but increase the Progress Maximum on the Progress Bar settings in every task to the total number of trials in the experiment.
Progress Field
The value to increment for this progress condition.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Use this component to save a variety of measures of accuracy to specific fields in the store. For example, you can save the number or percentage of correct and incorrect responses, or the number of consecutively correct or incorrect responses, as well as the total number of trials. You can then, for example, show participants their accuracy at the end of the task, by binding a Text component to the same field in the store or controlling the flow of the task with Change Difficulty - Staircase.
Samples that use this component
Wason Selection Task (Four Card Problem)
Destinations
List of locations to save accuracy measures to.
Attribute: Choose a measure of accuracy from the dropdown list.
Field: Save to a chosen field in the store.
Tag: Set a tag for the stored responses.
The Save Data component can be used to add or update a value on the store when specific criteria are satisfied. This could be based on receiving a specific response, the accuracy of that response or other fields within the store.
For example, this can be used to award points for correct answers, and subtract points for incorrect answers. To award points based on response accuracy, a Scorer component will also be needed.
This component replaces the previous Save Data on Response component.
Samples that use this component
Visual Search Click on Location
Learning with Dropout (repeat incorrect trials)
Tutorials that use this component
Displaying Score (Task Builder 2)
Destinations
List of locations to save data to.
Criteria: Set the conditions under which the data should save to the store: Always, on a particular Response, on a particular Response Accuracy, or when Match Field is true.
Response: If Response is selected in the Criteria, set the response for the component to listen for. This can be entered directly into the component, or bound to the spreadsheet, a manipulation or the Store.
Accuracy: If Response is selected in the Criteria, determine whether Gorilla should only listen when that response is Correct or Incorrect. If Response Accuracy is selected in the Criteria, determine the accuracy regardless of the specific response received (Any, Correct, Incorrect, or Timed Out).
Filter: Only available when Response or Response Accuracy are selected in the Criteria. Use this toggle to create more complex logic using the additional Field, Condition, and Value settings.
Field: If Match Field is selected in the Criteria, select the field that contains the information you want to evaluate.
Comparison: If Match Field is selected in the Criteria, select the comparison you want to make between the Field and the Value.
Value: If Match Field is selected in the Criteria, specify the Value that you want to compare the Field to based upon the Comparison.
Operation: Select whether the value should be set, added or subtracted.
Value: Set the value to be added or subtracted. This can be entered directly into the component, bound to the spreadsheet or retrieved from the store.
Clamp: If the operation is 'Add' or 'Substract', toggle this on to set an upper and/or lower limit for the updated value.
Min: If Clamp is toggled on, you can set a minimum limit for the value.
Max: If Clamp is toggled on, you can set a maximum limit for the value.
Use this component to save participants' response reaction time to specific fields in the store. You can store the current, average, or total reaction time. These measures can then be displayed to participants by binding a Text component to the field in the store. Also, the reaction time measure in the store can be used in combination with a Branch component or Jump to Row component, for example, to control the flow of the task based on reaction time. Although we save reaction time to your data by default, you can use this component to save participants' reaction times to the Store so that they are available for use elsewhere in your task or Experiment Tree.
Samples that use this component:
Destinations
List of locations to save reaction time measures to.
Attribute: Choose the reaction time measure to save from the dropdown list.
Field: Save this to a chosen field in the store.
Response: Choose the response that you want to save the reaction time of.
Tag: Set a tag for the saved reaction time.
Accuracy: Choose the accuracy for the component to listen for, from the dropdown list.
Using this component, you can save a particular response to the store. This stored response can be retrieved later on within the same task, or within a different task later on in the experiment tree. Responses saved to the store using this component can be shown to participants later on. If there are several responses recorded on one screen, you can save all of them or individual ones, but you will need to match them separately with the Field configuration.
Samples that use this component:
Tutorials that use this component:
Response Recap (Task Builder 2)
Destinations
List of locations to save responses to.
Tag: Set a tag for the saved response.
Field: Choose a field in the store to save to.
The Section Time Limit component allows you to set a time limit for a section of a task. For example, this could be for a series of screens in a display, or a number of trials in the task.
Set the mode to 'Start' to begin the Section Time Limit. The duration of the time limit will be set here.
On another screen, add a Section Time Limit and set the mode to 'Check'. This will review the remaining time on the Section Time Limit. If the time limit expires, it will emit the set response with the chosen tag. This response can then be used in other screen components, such as Jump to Row or Switch, to control how the task behaves when the time limit expires.
Use the 'Pause' mode to pause the time limit on a screen. The time spent on this screen won't count towards the participant's time in the section.
You can use a Section Countdown component, in conjunction with a Section Time Limit in Check mode, to display the time remaining in the Section Time Limit.
Samples that use this component:
Screen Timelimit Actions
The set of screen timelimit actions to run on this screen. These should be placed in the order you want them to run.
Mode
The Mode of operation for the component. Set to Start for a screen where the Section Timelimit should start running, Pause if you want to pause the timer, Check if you want to check if the timer has expired, and Stop if you want to stop the current section timelimit completely.
Time Limit (ms)
How long the section will last (Start mode only)
Response
The response value generated when the Section Time Limit expires. Other components (such as Jump to Row, Early Exit etc.) can listen for this response, triggering the desired behaviour for a Section Time Limit expiring. (Check mode only)
Tag
The tag value for this response (Check mode only)
Strict
If on, the section time limit will resolve as soon as the time limit expires. Otherwise, it will wait until the end of the current screen (Check mode only)
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
Initialise a field in the store on screen start. Allows you to give one or more fields in the store a value at the beginning of the screen. This is useful for setting a store field to a starting value before using it in staircasing with the Change Difficulty - Staircase component, for example. You can additionally control the starting value of the field with a spreadsheet or manipulation, for example.
Samples that use this component
Visual Search Click on Location
Field
The field to set
Value
The value to set it to
The scorer component is used to record participant responses as correct or incorrect. The accuracy of responses given via Click Response, Keyboard Response and other Response components can be recorded using the Scorer.
The correct answer can be entered directly into the Correct Answer field of the component. If the correct answer changes trial by trial, then the component can be bound to the spreadsheet. The Feedback component relies on information from the Scorer component to present a green tick when correct, or red cross when incorrect.
If you have multiple answers that are considered correct, use the Scorer (Multi) component instead.
Samples that use this component:
Tutorials that use this component:
Scoring Tutorial (Task Builder 2)
Correct Answer
Correct answer. Responses matching this will be considered correct.
The Scorer (Multi) component allows you define multiple correct answers. This could allow participants to choose one of multiple correct answers, or choose all correct answers presented on a screen. The correct answers can be entered directly into the Correct Answers field, where you can add as many as you want, or bound to the spreadsheet if the correct answers change trial by trial.
The accuracy of responses given via Click Response and other Response components can be recorded using the Scorer (Multi) component.
Samples that use this component:
Answer
Correct answers. Responses matching any of these will be considered correct.
Adds an amount of time at the end of the screen (once all responses have been received and the screen is ready to advance). This is normally to allow any feedback to show for a bit longer, and avoid snap transitions to the next screen.
Samples that use this component
Simon Task (Stimulus-Response Compatibility)
Feedback Time (ms)
The amount of time to allow for feedback to display
The Time Limit component allows you to add a time limit to your screen which will automatically advance a participant to the next screen in your display after a set amount of time. This can be used to limit the presentation time of stimuli, or control how long participants have to provide a response. You can show participants how long is left of the time limit by also adding a Countdown component.
Samples that use this component
Tutorials that use this component
Screen Timelimit and Countdown
Time Limit (ms)
How long the screen will last before advancing automatically.
Treat As Response
If set, will trigger a response when the time limit is reached, rather than just a TimedOut response.
Response
The response to send when the time limit is reached. Use for e.g. go/no-go paradigms to define the 'no-go' response.
Response Tag
Tag for non-response / no-go response.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Switch component allows the participant to switch to the corresponding Switch Node Task or Questionnaire in the experiment. You will need to include a Switch component (like this one) or a Switch Button in both the Tasks / Questionnaires tethered to the Switch Node, if you wish participants to be able to switch between the two.
You can set specific criteria in the Switch component, so that participants can only switch when certain conditions are met.
Samples that use this component:
Criteria
Choose the switching criteria from the dropdown menu.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
The Wait For Time Limit component is designed to be used in combination with a Time Limit component to enable Go/No Go tasks. When this component is added to the screen, the screen will not advance automatically as soon as a response is received. Instead, it will wait for the remainder of the time limit, if there is one set, before advancing the screen.
Samples that use this component
This randomisation component allows you to assign participants to spreadsheets by matching their Public ID. To use this component, the task must have multiple spreadsheets, and you must use a recruitment policy where you define a set a list of Public IDs. For example, Email Shot, Email ID and Supervised policies are ideal policies for this randomisation.
Samples that use this component
Prisoner's Dilemma (Public ID)
Tutorials that use this component
Choose Spreadsheet (Public ID)
Spreadsheets
Match
Enter the stem of the ID to match on. If any part of this is present in the Public ID, then participants will be assigned to that spreadsheet.
Spreadsheet
Choose from the dropdown, which spreadsheet participants should be assigned to for this Match condition.
For further information on randomisation, see our Spreadsheet randomisation guide.
Randomly assign values to the cells in a column, based on set of probabilities/ratios (expressed as percentages). This could allow you to populate the Win/Lose distribution in a probablistic learning game, for example.
You can define multiple assignment sets, allowing you to make assignments to multiple columns in the spreadsheet.
First, you define the conditions for the assignment. This will either be a cell in a specific column being non-empty or having a specific value. Then, setup your assignments: a grouping of value/percentages where each value is an assignable value for a cell in the column appearing the given percentage of times throughout the column.
Samples that use this component
Assignment Sets
A group of settings which indicate a unique assignment.
Condition Column
The column we should view when deciding if this row should be subject to a random assignment.
Condition Method
The method we should use. Not Empty indicates that the current cell of the Condition Column must have at least a value. Matches indicates it must have a specific value.
Condition Value
The specific value the cell must have. Only relevant when using the Matches Condition Method.
Assignment Column
The column we'll make random assignments to.
Assignments
The group of assignments: pairs of percentage/value data.
Value
The value to assign.
Ratio
In what percentage of rows the value should appear.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
For further information on randomisation, see our Spreadsheet randomisation guide.
Randomise individual rows within a spreadsheet. This is the most common randomisation to make sure individual trials appear in a different order for each participant. A column is chosen, and all rows with matching values for that column are then randomise between each other.
Samples that use this component
Column
Which column to randomise on.
For further information on randomisation, see our Spreadsheet randomisation guide.
Randomise whole blocks of trials within the spreadsheet. This can be useful for counterbalancing blocks of trials, so that one block of trials is not always the first one to be shown to participants.
A single column is chosen, and all continuous rows with the same value are considered to be a single block. The order of the blocks is then randomised.
Samples that use this component
Column
Which column to randomise on.
For further information on randomisation, see our Spreadsheet randomisation guide.
Randomise content between spreadsheet columns. When selecting two or more spreadsheet columns, the non-empty values between those columns will be randomised on a trial by trial basis. This can be useful when you have, for example, two images as stimuli, but you want them to appear simultaneously and randomly on the right or the left side of the screen.
Samples that use this component
Column
Column containing content to be shuffled between other columns.
For further information on randomisation, see our Spreadsheet randomisation guide.
Randomise content between multiple sets of spreadsheet columns. Similar to the Randomise Between Columns component but allows you to define multiple sets of columns to randomise content between. For an individual set, when selecting two or more spreadsheet columns, the non-empty values between those columns will be randomised on a trial by trial basis.
Samples that use this component
There are currently no samples using this component.
Chosen Columns
Set of columns containing content to be shuffled between other columns.
For further information on randomisation, see our Spreadsheet randomisation guide.
Randomise the content of an individual spreadsheet column. Multiple spreadsheet columns can be selected. For each column selected, all the non-empty contents of this column will be randomised between each other.
Samples that use this component
Columns to Randomise
A set of contents whose contents should be randomised, independantly
Column
A column to randomise the contents of
For further information on randomisation, see our Spreadsheet randomisation guide.
Select a randomised subset of a group of trials. Define a column and a value, that are used to indicate the set of trials to draw from and then a number to indicate the number of trials to select for the subset. For example, if you chose the column 'Display', the value 'trial' and the number 10, the script will collect all of the rows with the value 'trial' in the 'Display' column, shuffle them and then pick 10 and read them back into the spreadsheet. You can select multiple subsets by using the + symbol to add another set of options. Each subset must be contiguous and each subset must be distinct from other subsets.
Samples that use this component
Column
Which column contains the target value defining the trial set.
Value
The value from the column that defines the trial set.
Number
The number of trials to be chosen for the subset.
For further information on randomisation, see our Spreadsheet randomisation guide.
This component allows multiple players to communicate with each other. Text one player sends via the chat box will appear to players in the same room.
To set this up, create a network data field in which to store the chat data.
Each response the participant gives will create a new line in their data, with the reaction time that their message is sent. The Response column will contain the text of that message.
To see the full conversation so far, look to the Network Store column.
In your Network Store column, you will see something like the following:
[{"speaker":6746720,"message":"text"}]
[{"speaker":6746720,"message":"text"},{"speaker":6746719,"message":"word"},{"speaker":6746720,"message":"text2"}]For each message, first you will see the participant private ID, then, after the word “message” you will see the text the participant entered into the chat box. Messages will be displayed in order they were entered, with the most recent message (the one from the participant that entered the data row) coming last.
Network Data Field
The network data field to store this chat log in.
Tag
The tag for this response.
Position
Position of the center of the bounding box, relative to the center of container.
Size
Size of the bounding box
This component, when added to an object, allows you to show the object to one of your players, but not the others. This is useful e.g. for response buttons where only one player is supposed to respond, and the other players are supposed to wait.
Note: This component alone doesn't allow one player to advance the screen. You would also need to add a screen component Advance - Multiplayer which allows you to determine who has control over advancing the screen. For example, you would set this component to Player A. Why we need it: As a default, multiplayer tasks will wait for a response from each Player before advancing the screen, therefore if you don't have the Advance - Multiplayer component, the screen will wait for Player B to also press something before the screen continues, and unless you have a continue button or another way to progress the screen for Player B, the Players will get stuck. You want Player A to control advancement so adding this component will ensure that action.
Player
The player to show this object for.
Control whether one player can advance the screen for all players, or whether all players need to complete the screen to advance. This component is added to the Screen.
Required Players
Specify whether all players need to complete to advance ('All') or just one player ('First')
Allow only a specific player to advance the screen. This component is added to the Screen.
Player
Which player should advance the screen
This funtionality is deprecated and will not appear unless previously set in a task.
Please use the Trigger - Visible or Trigger - Active components instead.
Delays the onset of this object. By default, all objects will be visible at the start of the screen. Adding this component allows you to control when they appear. This will also work with non-visual stimuli too (e.g. audio)
Pre-display Time (ms)
Amount of time from the start of the screen to delay for before displaying.
Looking for Task Builder 1?
You can find the corresponding information for Task Builder 1 in this Tooling Reference Guide.
This functionality is deprecated and will not appear unless previously set in a task.
Please use the Save Data component instead.
The Save Data on Response component can be used to add or update a value in the store when a particular response is triggered. For example, this can be used to award points for correct answers, and subtract points for incorrect answers. To award points based on response accuracy, a Scorer component will also be needed.
Destinations
List of locations to save responses to.
Response: Set the response for the component to listen for. This can be entered directly into the component, or bound to the spreadsheet, a manipulation or the Store.
Accuracy: Choose accuracy of response from the dropdown menu
Operation: Select whether the value should be added or subtracted.
Value: Set the value to be added or subtracted. This can be entered directly into the component, bound to the spreadsheet or retrieved from the store.
Field: Save this to a chosen field in the store.