This study contrasted the psycholinguistic abilities of good and poor readers from disadvantaged backgrounds after completion of the first grade, using the Illinois Test of Psycholinguistic Abilities. It was predicted that disadvantaged children classified as poor readers would be significantly inferior to those identified as good readers on…

The Cooperative Language Development Project studied the efficacy of the Initial Teaching Alphabet (ITA) in teaching beginning reading and the efficacy of the Peabody Language Development Kits in stimulating verbal intelligence, creative thinking, school achievement, and language development. In this monograph, a post-test and follow-up evaluation…

The purpose of the three-year Cooperative Language Development Project was to examine the efficacy of an oral language development program and an experimental reading program in improving the academic achievement, language development, intellectual functioning, and creative thinking of disadvantaged children in primary grades. The experimental…