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A demo based on the Glasgow Face Matching task. Used in the study of face perception.

In this task participants are required to respond to all letter stimuli except from letter X (by pressing space). This task is based on Conners (2000) Continuous Performance Test.

A test of global versus local perception based on the Navon paradigm.

Triplet task for younger children

A demo based on the Lexical Decision Task. Participants judge if words are real words or non words as fast and accurately as possible.

This is an illustration of how to run a jsPsych experiment from pavlovia.org, using the jsPsych pavlovia plugin.

Participants repeatedly choose between options (arms of a bandit) with different and unknown probabilities of reward. This task models exploration versus exploitation trade-offs.

The Simon task is a psychological test where participants respond to the color of a stimulus, ignoring its spatial location, to measure the effect of spatial cues on reaction time and cognitive control.

This code can be put at the start of an experiment to control angular image size. It estimates viewing distance from a blind-spot task and other info. See https://doi.org/10.1167/jov.21.8.19, and https://pavlovia.org/run/janbrascamp/blind_spot/html/