In this experiment you will see a sets of random digits. Remember the set and quickly decide if the subsequently presented digit was in the set.

  • Press A if the digit was in the set
  • Press L if the digit was not in the set

If you perform this experiment on your mobile device, it is best performed in landscape orientation.

  • Tap the left side of the screen if the digit was in the set
  • Tap the right side of the screen if the digit was not in the set