What is the Stroop effect?

The Stroop effect is the delay in reaction time when the name of a color is printed in a different color. It occurs because reading is a more automatic process than color identification, creating cognitive interference.

What does the Stroop Test measure?

The Stroop Test measures selective attention, cognitive flexibility, and processing speed — your brain's ability to suppress an automatic response and focus on the relevant dimension of a stimulus.

Is the Stroop Test used clinically?

Yes. The Stroop Color-Word Test is used in neuropsychological assessments to detect cognitive impairment, measure attention deficits, and evaluate frontal lobe function.

Is MindPlay's Stroop Test free?

Yes, completely free with no account required.

Stroop Test · MindPlay

Round 0/20Score 0Best —

COLOR

How to play

1. A color word appears — its ink color is different from what it says.

2. Tap the square that matches the ink color, not the word.

3. 20 rounds — go for speed and accuracy.

easy

3 s · 4 colors

medium

2 s · 6 colors

hard

1.2 s · 6 colors

All-time stats

easy

best 0/20

medium

best 0/20

hard

best 0/20