Color Match

Match the INK COLOR of the word, NOT what the word spells. Tap the matching button as quickly as possible.

How to play

  • 1 Ignore Word Text: Ignore what the word says.
  • 2 Identify Ink Color: Look at the ink color: red, blue, green, or yellow.
  • 3 Choose a Color: Choose the button that matches the ink color.

Ready to match colors?

Choose the ink color, not the word. Complete five rounds while the timer tracks your time.

Exercise complete

Color Match · 5 rounds

Average response time 620 ms

Accuracy: 0%

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Stroop Effect: Frequently Asked Questions

What is the Stroop effect explained? +

Discovered in 1935 by John Ridley Stroop, the effect demonstrates that people take considerably longer to identify the color of a word when that word spells out a different color (such as the word "RED" written in blue letters). This reaction delay occurs because semantic reading is involuntary and interferes with perceptual color recognition.

Is the Stroop effect a test for ADHD? +

Yes, clinical psychologists frequently use the Stroop Color and Word Test (SCWT) in diagnostic batteries for ADHD. Individuals with attention deficit or executive dysfunction often struggle with interference suppression, resulting in greater reaction latency differences and higher error rates when dealing with conflicting stimuli.

What does being good at the Stroop effect mean? +

Excelling at the Stroop test indicates strong cognitive inhibition, rapid mental switching, and high executive functioning within the dorsolateral prefrontal cortex. It proves that your brain can effectively suppress irrelevant automatic impulses in favor of goal-directed actions.

What is the main idea behind the Stroop effect? +

The core neuroscientific principle is that automated behavioral habits (like reading words in our native language) take cognitive precedence over slower perceptual tasks (naming visual ink wavelengths). Training the Stroop task helps rebuild voluntary attentional control against involuntary environmental distractions.