When this experiment begins, you will see the following screen.

Immediately after you click the START button, you will see a series of numbers rapidly appearing in the box below the START button. Two letters will be embedded in this stream. Your task is to remember these letters and the order they appeared in. When the series ends, you will see the following screen.

Type in both letters if you saw both, or one if you only saw one, one after the other, and then click OK. If you saw no letters, click CANCEL.

You click the START button to begin a new trial. There are 30 trials. When you have finished the 30th trial, your results will be presented.

When you have read and understood these instructions,
Please click on the word START below, to begin.