Purpose: This was an investigation of the dimensionality of oral and written language to test the hypothesis that a two-factor model with sound/word and sentence/discourse language levels would best fit language and literacy data for a population-based sample in the school-age years. Method: A stratified secondary data set of 1,500 participants…

The home-learning environment (HLE) is critical for young children's early learning skills, yet little research has focused on HLEs in indigenous communities. This study examined the role of the HLE of 41 whanau (New Zealand Maori families and community) in relation to their young children's (M = 4 years, 4 months) early learning skills. Parents…

This study explored two aspects of language expression (defining words and repeating sentences) in samples of 26 Downs Syndrome (DS) and 26 mentally handicapped (MH) adolescents and young adults matched on intelligence and chronological age. Testing included language tests, a comprehensive audiological assessment, and computer-based memory…