08-27-2020, 02:27 PM
Installation and Setup
Display PC Recommendations
Saving and Moving Experiment Builder Files
Experiment Builder Basics
Audio and Video Issues
Experimental Design
Display Screen Issues
Inputs and Triggers
Interfacing with the Host PC
Trial Monitoring (RTs and accuracy)
Warnings
Error Messages
- Should I upgrade to the latest version of Experiment Builder?
- Why is my license key not recognized or it says that it has expired?
- Windows Display PC: How can I setup an ASIO audio driver?
- Windows Display PC: How can I prevent the Windows key from disrupting my experiment?
Display PC Recommendations
- What are the recommended Display PC specifications for Experiment Builder?
- How can I optimize my Display PC for the best timing / performance?
- What are the recommended Display Monitors for gaze-contingent experiments?
Saving and Moving Experiment Builder Files
- I accidentally saved my project in Demo Mode - what should I do?
- If I program my Experiment in Windows, will it work with macOS or vice versa?
- Can I run my experiment from a shared drive or transfer it from another computer?
- How can I share an experiment with colleagues or back it up?
- How can I store non-stimulus related files with my experiment?
- How do I save behavioral data in a text file?
Experiment Builder Basics
- What is the easiest way to learn Experiment Builder?
- Can I use Experiment Builder for non-eye tracking experiments?
- How can I force quit an experiment and preserve the collected data?
- How can I test my experiment without a participant or connecting to a Host PC?
- How can I move nodes from one experiment to another?
- What should I put as a default value for a new variable?
- Why is Runtime Word Segmentation is not segmenting my text properly?
- How can I control the frequency of actions (e.g. Drift Checks) with modulo?
- How can I combine text and variables into a single text string (concatenate)?
- How can I use common Python random functions?
- How can I work with lists in Experiment Builder?
- How can I compute and use visual angles in Experiment Builder?
Audio and Video Issues
- How can I synchronize an audio file with a display screen?
- What video formats are supported in Experiment Builder?
- How do I synchronize eye movements and audio recorded by Experiment Builder?
- How do I edit video and audio files using ffmpeg?
- How do I convert audio files into supported WAV files in Audacity?
Experimental Design
- How can I implement different Data Sources in a between-groups design?
- How to incorporate practice and experimental trials into the same Data Source?
- How can I implement a fixed inter-trial interval in Experiment Builder?
Display Screen Issues
- The screen resolution changed and everything is in the wrong place, what should I do?
- How can I change how screen resource locations are referenced (top-left vs. center)?
- Why are there multiple DISPLAY SCREENS overlaid with one another in my experiment?
- Why are images in my Display Screen surrounded by white dots or have missing pixels?
- Does Experiment Builder support image transparency?
- I have updated my images but I'm still seeing the old ones
Inputs and Triggers
- How do the Button trigger IDs map to EyeLink game controllers?
- How can I create a mouse contingent cursor in an Experiment Builder?
- How can I make it so that the participant can click on certain parts of the screen?
- How can I collect keyboard responses without ending the trial?
- How can I synchronize my experiment with other external devices?
Interfacing with the Host PC
- How can I see the participant's gaze overlaid on the stimulus during data collection?
- How can I display my stimuli on the Host PC?
- How can I change the calibration / validation target locations?
- How can I implement an automatic drift-check?
Trial Monitoring (RTs and accuracy)
- How can I calculate saccadic reaction times (RTs)?
- How can I accurately keep track of reaction times (RTs) for participant responses?
- What is difference between .time and .StartTime of an action node?
- How can I keep track of trial response accuracy?
Warnings
- What does the warning "your current DPI does not match expected DPI..." mean?
- What does "Warning:2003 The IO node KEYBOARD is used in real-time Sequence" mean?
- What does "Warning:2015 No display screen is selected for Prepare Sequence…" mean?
- What does “Warning:1018 Too many display screen found with Draw To Host turned on” mean?
- What does "Warning:1002 Default Value use in..." mean?
- What does "Warning:1047 Datasource use in recording sequence!" mean?
Error Messages
- What does "Error: Could not connect to tracker at 100.1.1.1" mean?
- What does "Error: Invalid Tracker Type" mean?
- What does "Error: Configuration matching ID not found" mean?
- What does "Error: Could not initialize display to…." mean?
- What does "Error: Could not initialize ASIO system" mean?
- What does "Error: Unexpected value when using external data source" mean?
- What does "Error:2032 Value parameter contains no initial value…" mean?