Affiliation:
1. Human Factors Program, ISSM; Lab of Attention and Motor Performance, Gerontology University of Southern California, Los Angeles, CA
Abstract
Based on modifications of Fitts' Law suggested in the literature, 121 unique formulas were tested against reciprocal tapping data from 1,318 subjects (1,047 males and 271 females) who participated in the Baltimore Longitudinal Study of Aging from 1960 to 1981 in order to determine the best formula (based on the standard error of estimate) and to examine age and sex differences using this formula. The best formula for males differed from that found for females, resulting in a set of new formulas which take into consideration age and sex and which fit the experimental data better than past formulations. While females were faster than males and young were faster than the old, a substantial portion of age and sex differences might be explained by a speed-accuracy tradeoff.
Cited by
17 articles.
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