The Stroop Test measures cognitive interference via reaction time when a participant is presented with mismatching stimuli. A popular version of the Stroop Test involves the words for colors, such as “red,” presented in ink that matches the word (i.e., red) or in ink that does not match the word (e.g., blue). Participants must identify the color of the ink, not the word itself (e.g., “red” written in green ink, “purple” written in purple ink).
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