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A demo based on the Balloon Analogue Risk Task. Participants pump a balloon and try to cash in a prize before the balloon pops. Generally used as a measure of risk taking and decision making.

A demo based on The Attention Network Task (Fan et al. 2002).

An embedded html demographics form (online only) using iFrame code shared by @arnon_weinberg. The responses are saved to the data file as expInfo variables, which means that they will appear on every line of the data if the form is placed first.

testing to see how real-time mouse position collection could work

A customizable and extendable change detection experiment written in Psychopy. Designed for the desktop.

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.

Created for Eliza Yujun Ng December 2018

Numbers are presented at a rate of one per second. The first digit cannot be 0 Following digits can be 0 but cannot be the same as the previous digit.

If the answer is correct the span is increased for the next trial If the answer is wrong the span is decreased for the next trial

If there are at least two errors at a given span and that represents more than half of the total attempts at that span then the experiment ends, returning a span of one less than the final span attempted.

Demo of a visual search task for use online. User can manipulate setsize, target colour, letter orientation. Accuracy and response time recorded.

A staircase using the QUEST algorithm from Watson & Pelli (1983)

An example of a visual search task. Participants must search for the letter T amongst distractor letters.

The Visual Preference for Facial Expressions task uses eye tracking to measure how long people look at different emotional expressions (like happy or sad faces) to understand attentional biases.

A demo based on the Posner Cueing Effect.

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.

Sternberg Working Memory Task demo.