Past research on the development of referential communication abilities in children does not provide a basis for explaining precisely why communicative effectiveness increases. The common assumption is that developments in role-taking facilitate the child's ability to adapt to hearers. A reasonable alternative explanation is that a child's…

Research has indicated that one significant deficiency in the intellectual capabilities of disadvantaged children is a disability in abstract thinking. Although all very young children lack this ability, the environment of the middle class child provides an opportunity so that as this child matures, the ability to think in abstract terms naturally…

In this research monograph, several areas of disparity between child and adult grammar are examined to discover at what ages the child, who is on the border of adult language competence, achieves a certain mastery of complex syntactic structures. Chapters include (1) a discussion of current notions on the nature of the linguistic process and a…