Stroop Test

The Stroop test: a color word is written in the wrong ink color. Click the ink color, not the word. Your brain fights itself on this one. One wrong answer or timeout ends your streak. It gets faster as you progress.

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Read the ink, not the word.

Tap the ink color before time runs out. One wrong tap or timeout ends the game. Gets faster as you score higher.

RED

Answer here is Blue, not Red

How to use

  1. A color word appears written in a different ink color. Click the ink color, not what the word says.
  2. You have a few seconds per question. The bar shows how much time is left.
  3. One wrong tap OR running out of time ends the game instantly.
  4. Score = how many you get right in a row. Gets faster after 5, 10, and 20.

The Stroop Test shows you a color word printed in a different ink color. Your job is to name the ink color, not read the word. This sounds easy until you try it. Your brain reads words automatically and the instinct to say the word fights with the instruction to say the color. The interference slows you down and causes errors in a way that feels almost physical.

The Stroop Effect was first described by John Ridley Stroop in 1935 and is one of the most replicated findings in cognitive psychology. It demonstrates how automatic processing of written language can interfere with a deliberate task. The test is used in cognitive research, neuropsychology evaluations, and attention studies. Playing it casually is a genuine demonstration of how much your reading brain works without your permission.

Frequently Asked Questions

What exactly am I supposed to do?

A color word appears on screen printed in a different ink color. Name the ink color as fast as you can, ignoring what the word says.

Why is this difficult?

Your brain reads words automatically and faster than it processes colors. The conflict between what the word says and what color it is creates cognitive interference.

How many rounds are there?

20 rounds. Your total time is recorded. Fewer errors and lower time means better performance.

What does a good score look like?

Completing 20 rounds under 15 seconds with no errors is solid. Most people make 2 to 5 errors and take 20 to 30 seconds on their first attempt.

Stroop Test - Read the Ink Color Not the Word | ToolHaven