533 elementary and junior high school children were requested to write down a number between 0 and 9 and the name of a color. The number 7 and the color blue were by far the most frequently written (p < .001 in both cases). These results were consistent with those obtained in an earlier study (Simon, 1971) with college students.
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References
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BreskinS.Measurement of rigidity, a non-verbal test. Perceptual and Motor Skills, 1968, 27, 1203–1206.
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SimonW. E.Number and color responses of some college students: preliminary evidence for a “blue seven phenomenon.”Perceptual and Motor Skills, 1971, 33, 373–374.
