A study investigated the differential effects of psycholinguistic training programs on Illinois Test of Psycholinguistic Abilities (ITPA) scores obtained by educable mentally retarded, trainable mentally retarded, and culturally-economically disadvantaged preschool and elementary students. (Author/SW)

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…

The objective of this study was to develop and evaluate two procedures for providing preschool education for rural 4-year-olds by using a mobile laboratory. The project used "readimobiles" to determine the effectiveness of a structured, psycholinguistically-based preschool curriculum on black, disadvantaged children. There were three…