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Self-report questionnaires of difficulty in right-left discrimination and handedness were given to 575 male and 607 female undergraduates. Significantly more men and lefthanders reported having right-left confusion frequently or all the time. The validity of such self-report measures in predicting actual performance on right-left discrimination tasks is questioned since the results, at least as a function of handedness, depended on the question asked.
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Hannay et al. (1990) studied this question.
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