84 male and 76 female high school students were individually examined on two tests which involve right-left discrimination. The Hand Test requires distinguishing drawings of right from left hands. The Route Test involves walking out patterns with various turns according to diagrams drawn on cards. Results on both tests showed a wide range of performance, but differences between the sexes were minute and statistically nonsignificant. In addition to right-left discrimination, each test also taps different additional spatial functions. Both tests are easy to administer in clinical settings; normative data given here can be useful in evaluating patients' performance.
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