A conceptual category approach to the study of the comprehension of natural language is presented as an alternative to previous approaches made solely in terms of information gain or specific linguistic variables. Elementary school children between the ages of 6 and 11 years were given a referent identification task to test their comprehension of…

This study is an attempt to identify social interactions which fit into a Piagetian model for cognitive change, and specifically to examine the degree to which the frequency of those interactions predicts the rate of cognitive development. The subjects were 74 elementary school children enrolled in 19 K-4 classrooms. These children were in the…