In this study, the Peabody Language Development Kit, originally designed for culturally deprived and mentally retarded children, was tested to see how it affected the psycholinguistic abilities and beginning reading development of normal children. Ninety-seven kindergartners were randomly divided into an experimental group who used the Peabody Kit…

Sixty-seven Mexican-American children were administered a special 7-week Head Start language training program during the summer of 1967. Three basic treatments were used, and there was a control group. Two teachers were used, thus raising the number of groups to eight. The three basic treatments involved a structured English language training…