2AFC set-size effect task
This is a solo practice run: your results stay in this browser tab and are never sent anywhere. To contribute to a class result, join a live session with a code instead.
Task time: about 2 min
You will see two boxes side-by-side filled with colored shapes.
Your task is to find the Blue Circle.
Exactly ONE of the boxes will contain a Blue Circle. Find it as quickly as possible without making mistakes.
Starts with a short practice round that is not scored.
Total trials: 48