This research was designed to compare the responses of disadvantaged and advantaged 5-year-olds in typical Piagetian experiments, in order to determine whether differences exist in the normative characteristics of centering, conservation, egocentricity, space conception, and irreversibility. A sample of 60 children was drawn from a metropolitan…

This study details three methods developed during the course of an investigation for describing adult-child interaction: (1) the "VINEX" category system for coding the actual language of the adult and the child; (2) a coding system for describing nonverbal behavior; and, (3) "Interaction Language," for the use of an observer in…

The purpose of this study was to develop a method for assessing aspects of the cognitive functioning of young children from their symbolic play. Subjects were 60 children, aged 3 to 5 years, from middle-class and lower-class families. The study was conducted in two phases, with the following objectives: (1) to identify and analyze aspects of…