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Attention to compounds by retarded adults.

Severely retarded adults were presented with a matching task in which each of the alternatives to the stimulus that was identical to the target stimulus differed from it on one dimension only. Matching performance was found to be good both when the target stimulus had two relevant dimensions and when it had three relevant dimensions. The findings were consistent with those of Tighe and Tighe (1972) and other (Cole, 1973; Tighe, 1973) that the salience of compounds is higher than that of components for persons of lower developmental level.