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Abbeduto, Leonard; And Others – American Journal of Mental Retardation, 1989
The study examined whether the development of receptive language lags behind nonverbal cognitive development in school age persons with mental retardation. Results indicated that the relationship between receptive language and mental age varied across mental age levels, linguistic forms, and individuals at the same mental age for listeners with…
Descriptors: Cognitive Development, Developmental Stages, Elementary Secondary Education, Individual Differences