Background: The evidence on the effect of age on the receptive and expressive language skills of individuals with Down syndrome is inconclusive. Recent research highlights the relevance of having tools to detect age-related changes in language skills. Method: Data were collected on 45 adults with Down syndrome. All were assessed with the Peabody…

The differential effects of the final revision of Levels 1 and 2 of the Peabody Language Development Kits (PLDK) on the Illinois Test of Psycholinguistic Abilities (ITPA) profiles of young disadvantaged black children were studied. Contrasted with 90 control subjects were 90 experimental subjects who received a daily 30-minute oral language…

During the 1973-74 school year, 230 trainable mentally retarded (TMR) children (ages 7 to 14 years) were exposed to one of two language training conditions: Distar or Peabody. A population of 116 continuees from the first year of the project and 114 new entries were assigned in as random a fashion as possible to either Distar or Peabody. Ss were…

Effects of the different components of the Distar language program were tested on 48 trainable mentally retarded (TMR) children. Three designs were used comparing IQ, sex, continuation status, selected standardized test results, and replicates. Results indicated that the degree of previous formal language training (continuation status) did not…

The differential effects of the experimental revision of Level 1 of the Peabody Language Development Kits (PLDK) on the Illinois Test of Psycholinguistic Abilities (ITPA) profiles of disadvantaged first-grade children were studied. Contrasted with 203 control subjects were 529 experimental subjects who received a daily 30-minute oral language…

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)

The purpose of this study was to investigate, with underprivileged first-grade children, the efficacy of the Initial Teaching Alphabet (i.t.a.) in teaching beginning reading and of the Peabody Language Development Kit (PLDK) in stimulating oral language and verbal intelligence. From 17 classes in nine schools, four groups, consisting of 100, 104,…

In a primary school in Dade County, Florida, disadvantaged kindergarten children were entering first grade without the receptive language and listening skills necessary to succeed academically. A practicum attempted to remedy this problem by stimulating kindergarten children's receptive language skills in vocabulary and listening comprehension.…