Abstract
195 children from Grades 1, 4, and 6 of middle-class suburban schools were given SRA Primary Mental Abilities tests, a developmental sequence of geometric forms to be copied, and a pencil-and-paper test of eye-hand dexterity. Correlations among form-reproduction scores and those of the PMA subtests and totals, eye-hand dexterity and chronological age suggested that form reproduction was related primarily to MA rather than CA within the age groups. MA and CA appear to be highly related to form reproduction among the younger children.
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