This pilot study trained parents in behavior modification techniques and attempted to evaluate the impact of this training on the rate of cognitive, linguistic and social development in infants. A second goal was to identify significant areas in infant development which might be influenced by the teaching strategies used. Subjects were four…

Infants judged to be at risk for subnormal intellectual growth were randomly assigned to experimental and control groups which varied as to educational curriculum activities. Two types of evidence, group differences and parent-child IQ correlations, demonstrate the importance of early environments in intellectual development. (Author/RD)

Fifty-four middle and lower class, black and white adolescents were observed interacting with their mothers during a discussion of seven child rearing problems. Maternal references to a range of disciplinary measures were identified, analyzed, and related to the subjects' scholastic performances. A factor analysis of process measures confirmed…