The study focuses on the possibility that the tendency of academic underachievers to respond in terms of all inclusive language is indicative of their incapacity to discriminate the uniquely meaningful aspects of their environment. The authors hypothesize that academic achievers would differ significantly from academic underachievers in their…

Six experiments examined the problem-solving behavior of normal and mentally retarded (MR) children with a two-choice discrimination learning situation: the effects of stimulus similarity upon types of solutions utilized by MR children; the role of redundant cues in the discrimination learning of MR subjects with differing mental ages; the…