Stroop effect

The Stroop effect is an interesting phenomenon. Per Wikipedia, “When the name of a color (e.g., “blue,” “green,” or “red”) is printed in a color not denoted by the name (e.g., the word “red” printed in blue ink instead of red ink), naming the color of the word takes longer and is more prone to errors than when the color of the ink matches the name of the color.”

And here’s a piece of Stroop effect trivia I just learned from my friend Leo, who paraphrased it from the book Willpower: “The Stroop effect was used by American intelligence during the cold war. ‘A covert agent could claim not to speak Russian, but he’d take longer to answer correctly when looking at Russian words for colors.'”


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One response to “Stroop effect

  1. One more interesting tidbit from Willpower: if people pre-plan to ignore the text of the word and only look at the color, it helps avoid the mental hesitation/confusion.

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