This investigation evaluated a group of 20 8-month to 2-year-old culturally disadvantaged children who were given a 1-year structured educational program as a means of environmental intervention. The program involved language training, conceptual training, and sensory-motor training. The study is the first phase of a longitudinal study to…

This study attempted to ameliorate the educational deficits of infants using structured tutorial programs of language and concept training in the home. It was part of a larger project whose purpose was to determine the age at which intervention will produce maximum acceleration of cognitive development. Subjects were 20 disadvantaged 8- and…