Perceptual evidence accumulation
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 a cloud of moving dots.
Some of the dots randomly jump around, but a portion of them are moving together either to the LEFT or to the RIGHT.
Your task is to determine the main direction of the moving wind or flow as quickly and accurately as possible.
Total trials: 60