Abstract

We studied hearing and deaf children's projection of visual images on two tasks requiring (a) adoption of 8 different perspectives of a 3-object scene and (b) prediction of the relative positions of a fixed to a variable square rotated in 8 positions. After initial testing Ss were shown some correct solutions and were then retested on all items. Younger children (CA 9) were consistently inferior to older children (CA 11); deafness failed to differentiate performance with the single exception of the retest on task (a). Results support Piaget's viewpoint on the dependence of mental imagery and general symbolic functioning on the growth of intelligence with respect to the preadolescent period.

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