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…

A study of one grade cohort of students taught in a Chicago Mastery Learning Reading (CMLR) Program was extended to two additional cohorts, one older and one younger than the original group but who were taught using the same method. The students' reading comprehension test scores were compared with those of students in other schools, not taught by…