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Objective: To examine hand preference, hand skill and hand strength in university undergraduates in order to determine the most reliable index of handedness. Method: The Edinburgh Inventory, a group test of handedness by marking dots in circles, and a standard dynamometer were used with 248 (148 female, 100 male) subjects. Results: No statistically significant correlations were found between hand skill and strength, or between hand preference and strength. A significant correlation between skill and preference was found in the male right-handed group of 93 students. Conclusion: It is not possible to demonstrate whether preference or skill is the better index of handedness; a standardised method for assessment of hemispheric dominance for handedness is required; in the meantime the criterion used in a specific study should be explicitly stated in any citation of that study.
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Moynihan et al. (1995) studied this question.
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