Verbal and pictorial class-inclusion questions were presented to children in kindergarten through grade 6. The data indicates that the purely verbal form of the question was less difficult for the children to answer than the pictorial form. (Author/CS)

The general purposes of this study were to analyze responses on five Piagetian formal operational tasks in a test-retest situation to determine the extent to which taking a pretest effected scores on posttests and to determine task and examiner reliabilities. Significant test score gains on Piagetian tasks appeared to result from test-retest…

Twenty normal and 20 retarded children were studied to determine the influences of mental (MA) and chronological age (CA) on the attribution of life characteristics to animate and inanimate objects. In both normal and retarded children, attribution depended on an interaction between M.A. and C.A. (DP)

This research attempted to expand Piaget's study of children's thinking to include the content and the development of their concepts of death and the impact of experience on those concepts. One hundred twenty-two, middle-class, native-born boys and girls, aged three through twelve years were interviewed. Concepts were found to be composed of nine…

This document contains four composite papers, developed from notes and tape recordings, and a collaborative writing effort, on the topics of "time,""context variables,""accumulating findings," and "outcome measures," as they apply to research on teaching. The discussions represented by these papers took…

Research supported by U.S. Public Health Grant No. 293-60 to D.O. Hebb and Grant No. 298-3980 of the Medical Research Council of Canada to Virginia I. Douglas. Part of a PhD thesis submitted to McGill University (Friebergs, 1965).

This study examined the effects of certain contextual linguistic variables on the logical performance of subjects in grades 4, 6, and 12 of selected British Columbia schools as well as some theoretical problems underlying assessment of the development of logical abilities. The task consisted of 27 syllogistic problems based upon the information…

To investigate the development of children's concepts of marriage and the family, 43 preschool children were interviewed and their parents were asked to complete a questionnaire. Interviews were structured to determine whether the children had formed an appropriate gender identification, whether they had androgynous or traditional sex-role…

Abstracts of most of the papers presented at the 55th annual meeting of the National Association for Research in Science Teaching (NARST), held at the Abbey, Lake Geneva, WI, April 5-8, 1982 have been collected in this publication. Papers relate to such topics as teacher education: preservice and inservice, cognitive development, research…