Click on the test to begin. The test consists of four phases each having three trials. As the phases progress the color change becomes more predictable. Please copy your final results into the form.
Click as fast as you can after the box turns red.
Click on the test to begin. The test consists of four phases each having three trials. As the phases progress the color change becomes more predictable. Please copy your final results into the form.
Click as fast as you can after the box turns red.