PMID: 9631560Jun 19, 1998Paper

On the concept of comparison in mentally retarded and nonretarded children

Journal of Psycholinguistic Research
D NatsopoulosA Alevriadou

Abstract

Two adjective pairs in comparative form, more-less and taller-shorter, were tested with moderately mentally retarded (MR) and nonretarded children (NR) matched on verbal mental age (MA) and socioeconomic status (SES) in a "show" and an "act-out" experimental condition. The data indicated that all the main effects, the group, the experimental condition, and the unmarked-marked relational terms were significant and so were the interactions of the Group x Experimental Conditions, Group x Unmarked Versus Marked Relational Terms, and Group x Experimental Conditions and Unmarked Versus Marked Relational Terms. A logistic regression analysis (LRA) showed that the relational term shorter in the act-out condition best predicted classification membership for the subjects in either group, suggesting that the MR children were less able to self-regulate behavior. The error types, however, mainly observed in the act-out experimental condition were the same from a semantic point of view in either group. The effect of the unmarked versus marked distinction cannot be considered independent of the experimental conditions applied.

Citations

Oct 8, 2011·The American Journal of Psychology·Elisavet ChrysochoouNikolaos Tsigilis

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