A name of colour or a patch will appear during the game as a problem.
Your job is to choose a button that matches the color in the problem.
For words, you do
have to match what the word says but the color of its font.
Try to do this as quickly as you can.
Click next to configure your options.
Number of color variations:
Number of incongruents:
Click next whenever you are ready to begin!
The Stroop test. By