The achievement of labeling was investigated in a longitudinal study of one mother-infant dyad, using video-recordings and analysis of joint picture-book reading. Participating in a ritualized dialogue, rather than imitation, was found to be the major mechanism through which labeling was achieved. (Author/SW)

Four problems in children's paired-associate memory were addressed: (1) reappraisal of the presumed developmental trend in presentation mode effect during grade-school years, (2) identification of the locus of this developmental effect, (3) evaluation of the influence of combined presentation (verbal plus pictorial) relative to pictorial…

The experiment described in this report investigates the effects of various cognitive cues in questions asked regarding the relationship of elements in pictorial depth perception. The subjects of this study are 40 third grade Black and Puerto Rican children. They are confronted with four pictures from the Hudson Depth Perception Tests and asked to…

The ability of 31 institutionalized trainable mentally retarded mongoloid and nonmongoloid subjects (mean IQ=27.5) to comprehend and imitate verbally presented sentences of varying levels of grammatical complexity was examined. Eight stimulus sentences were spoken for four pairs of pictures, simple declarative or kernel, negative, passive, and…