The relationship between training history and the distinctiveness of stimulus cues in original learning and in transfer on the learning of intradimensional and extradimensional shifts by 96 adult institutionalized, retarded Ss was investigated. (Author)

Thirty institutionalized mildly retarded adolescent Ss and 30 matched MA elementary school nonretarded Ss were presented 18 items for five free-recall trials in a study of basic determinants of clustering behavior (the recall of sequences of related items following their random presentation). (Author/DB)

To compare the effects of hypothesis testing strategy training and paired associate training on the verbal abstraction performance of mentally handicapped adolescents, 50 male educable mentally handicapped in residence at a state school were tested. Subjects receiving strategy-oriented training learned to test out associates against nouns that…

Fifty-two institutionalized mentally handicapped children (average CA of 12 years) were engaged in a study attempting to determine whether there are ordinal dependencies in various scales of developmental milestones or supra-structural behaviors in language, and if so, the degree to which hierarchical levels within given categories serve as…

Available from: Ablex Publishing Corporation, 355 Chestnut Street, Norwood, New Jersey 07648. Two groups (36 Ss) of educable and trainable mentally retarded adolescents in an institution were compared with two groups (38 Ss) of nonretarded children (ages 8-9 years old) on a modified tic-tac-toe game for foresight in logical problem solving. (MH)