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The Test of Gross Motor Development was administered to 300 children, ages 5 to 7 yr., attending public schools in Puerto Rico. Statistical comparisons indicated that the test-manual norms for US children were applicable to Puerto Rican children except for 7-yr.-old girls. A 2 x 3 x 2 factor analysis of intercorrelations of Puerto Rican scores indicated no significant difference between rural and urban children, expected age group differences, and sex differences favoring boys.
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Aponte et al. (1990) studied this question.
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