Random stimuls selection in trial Start presentation of a stimulus (finishlabel) while other stimulus (video) is still presented problem selecting video to play (as feedback) contingent of subject response BART button stimuli how to call up a specific item in a list open local file Placing images randomly without collision and retrieving the position of one image dynamically stimuli showing up as different sizes on different computers Make stimulus persist after response until end of trial Stimuli are being presented more than once. How do I make sure that stimuli are only presented once? How to display a stimulus followed by a question with a likert-style response scale
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