Relationship between pictorial interpretation and comprehension of three spatial relations in school-age children.

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Effects on spatial term comprehension as the result of transformations in the stimulus dimensions of six pictures containing the same three figures were explored using Piaget's concept of spatial perspective. A Modified Test of Pictorial Space (MTPS), adapted from Hudson's (1960) studies on non-Western pictorial perception strategies, was administered to 200 children, aged 6 yrs 5 mos to 11 yrs 3 mos. The purpose of the investigation was to gather data on (1) pictorial interpretation as a function of variations in perceptual depth cue complexity and transformations in conceptual perspective and (2) order of acquisition in the comprehension of two sets of spatial terms referring to perceptual object knowledge and more advanced conceptual knowledge of object relations. Significant age and IQ, but not sex, interactions were found for MTPS performance. Data analyses also supported predicted orders of acquisition and indicated that transformation of conceptual perspective better differentiated among the age span than did either perceptual depth cue complexity or comprehension of spatial terms. Findings are discussed in terms of their methodological and substantive implications for constructing and interpreting pictorially-based language comprehension tasks.