This study examines the differences in classificatory performance of children from middle class (MC) and from culturally deprived (CD) backgrounds at kindergarten and second grade levels. It was hypothesized that: (a) the ability to classify increases with age (b) CD children would score lower on talks of classification than children in MC groups…

In this study designed to generate hypotheses concerning adult learning, cognitive processes, and the reeducation of disadvantaged adults, the phenomena of concept attainment, symbol manipulation, verbal behavior, differential instruction, and awareness levels were investigated. Attention focus (cognitive style) in the concept attainment process…

Two parallel and complementary studies of Language Modelling and its relation to the development of communicative competence in the young child are reported. Over a 6-month period, Study 1 involved weekly naturalistic observations (in the home) of the nature and quality of the linguistic stimulation offered by mothers to their children between 2…