Stroop Effect Test

A test of cognitive interference where you name the color of the ink, not the word. Free, quick, and works directly in your browser.

How to Take the Test

Instructions

  1. Words will appear on the screen in different colors
  2. Your task is to identify the COLOR of the text, not the word itself
  3. Click on the color button that matches the text color
  4. Try to answer as quickly and accurately as possible
  5. The test consists of 20 trials

Example

RED

The word says "RED" but the color is blue, so you would select the BLUE button

How to use Stroop Effect Test

  1. Start the test to see the first colored word.
  2. Read the color of the ink the word is printed in aloud or mentally.
  3. Click the button that matches the ink color you identified.
  4. Proceed through the series of words as quickly and accurately as possible.

Features

  • Tests cognitive processing speed and interference.
  • Measures response time and accuracy automatically.
  • Simple, browser-based interface accessible on any device.
  • Provides instant feedback on your performance.

Who Is This Tool For?

Ideal for students learning about psychology, researchers conducting informal experiments, or anyone curious about their own cognitive function and mental agility.

Why Measure Cognitive Interference?

The Stroop Effect Test is a fundamental tool in cognitive psychology for assessing executive function and mental flexibility. Understanding your reaction to this classic interference task can provide insights into attention control, processing speed, and cognitive resilience, which are valuable for both educational purposes and personal brain training.

Frequently Asked Questions

Is this Stroop Effect Test free?

Is my performance data saved or shared?

How do I take the Stroop Effect Test?

What does this test measure?

Do I need to install anything?

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