Background: There is uncertainty about the extent to which language skills are part of general intelligence and even more uncertainty on whether deprivation has differential effects on language and non-language skills. Methods: Language and cognitive outcomes at 6 and 11 years of age were compared between a sample of 132 institution-reared…

This book aims: (1) to describe and evaluate psychological research on poor children's intellect; to this end, the following questions are dealt with: What is the nature of poor children's mental abilities? How do these abilities develop? (2) to analyze the psychological assumptions underlying several attempts to reform education; and, (3) to…

The principal aims of this study were to identify, select, analyze, and describe educational programs for culturally disadvantaged children from preschool through grade 12 which had yielded measured benefits of cognitive achievement. A literature search (mainly through ERIC) and mail inquiries followed by telephone consultations constituted the…