“…There is an extensive literature on the relationship between social class and cognitive and linguistic variables, and only broad conclusions from this literature can be presented in this article. Social class and cultural differences in use of language in the home have been documented (e.g., Farran, 1982;Heath, 1982Heath, , 1983Hess, & Shipman, 1965;Snow et al, 1976;Tough, 1982), as have differences in maternal teaching strategies (e.g., Laosa, 1978Laosa, , 1980. The current view is that such differences may reflect adaptive responses to diffenng demands for adult competence in the particular social group (Ogbu, 1981).…”