In this experiment, you will be presented with either a green or red square, which you will respond to accordingly.

  1. At the beginning of each trial you will see a fixation ‘+’ which you should focus on. When you are ready to begin a trial, press the space bar.
  2. Your task is to respond to red squares using the ‘D’ key and green squares using the ‘K’ key. Position your left hand over the ‘D’ key and your right hand over the ‘K’ key. Respond as quickly and accurately as possible.
  3. You will be given feedback on each trial before beginning the next trial.

You will complete 10 practice trials and 60 experimental trials. Click on the button to begin.