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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.
Aponte et al. (1990) studied this question.
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