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A test of working memory, participants see a series of numbers and must remember if this number is the same as the Nth previously.

Sometimes we might want participants to adjust the volume of a sound to a "comfortable level" before presnting they with that sound in the real experiment. This demo shows how you can do that with buttons and a code component.

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.

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

Based on http://psych.colorado.edu/~jclab/FPST.html

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 demo based on the Bilingual Stroop effect. Also demonstrates how to achieve a counterbalanced design.

In this task participants are required to sort the presented cards based on a rule. The rule is unknown to the participants, however they receive feedback whether their answer was correct. The rule changes after certain amount of trials. This experiment is based on Grant & Berg (1948) experiment.

In this experiment participants are required to respond whenever the stimulus (square) location matches its location the previous trial (N-back-1). N-back-2 trials involve responding whenever the location of the square is the same as its location 2 trials before. This task is based on Kirchner (1958) experiment.

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