Stroop Test

The famous Stroop effect: the word says "RED" but the ink is blue. Name the ink color as fast as you can in 60 seconds. Measure your cognitive control and interference resistance.

Easy 2 min Intelligence & Focus

Name the ink color, ignore the word

Score: Correct:

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Aug 09

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About Stroop Test

The famous Stroop effect: the word says "RED" but the ink is blue. Name the ink color as fast as you can in 60 seconds. Measure your cognitive control and interference resistance.

This free tool is designed to be quick, fun, and effective. It runs entirely in your browser, so your data never leaves your device and no account is required. Play once or come back daily to track your progress and improve your score.

Stroop Test - Frequently Asked Questions

The Stroop effect shows that reading is so automatic that it interferes when the word and its ink color disagree. Naming the ink color becomes noticeably slower and error-prone.

Yes. The Stroop task is one of the most used tools in cognitive psychology to measure selective attention, processing speed and cognitive flexibility.

You have 60 seconds to name ink colors. Each correct answer earns 50 points plus a speed bonus, so both accuracy and quick responses count.

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