1. Click the large button on the right to begin.
2. Wait for the stoplight to turn green.
3. When the stoplight turns green, click the large button quickly!
4. Click the large button again to continue.

Test Number	Reaction Time (in seconds)	The stoplight to watch.	The button to click.
1
2
3
4
5
AVG.

Hints:

• The stoplight may take up to seven seconds to change. The amount of time is random.
• You may press any key, instead of clicking the mouse button, if you prefer.
• You will be tested five times, and your average reaction time will be calculated.