The psycho-philosophical issues involved in the shift to a dialectical perspective in early Soviet psychology are reviewed in order to clarify the implications of the dialectical method for contemporary Western cognitive psychology. (JMB)

In this article, we trace the development of Hatano's research, focusing on the core of his research interest, namely, expertise, conceptual development, and classroom learning. He held both Piagetian constructivist views and Vygotskian sociocultural perspectives in balance, and preferred to study human cognition executed in everyday life. This…

The influence of language and familiarity with clay upon performance of traditional tasks involving conservation of quantity and weight was examined. Children from a village in which all the women are potters did not perform differently from their peers in a neighboring village on any task. (MS)

The low predictive validity of infant tests is discussed in light of current issues in developmental psychology. Considers continuity and discontinuity in the development of early cognitive competence, intellectual heterogeneity problems, and individual-environment transactions. Provides suggestions for increasing predictive validity and indicates…

Reports on the findings of a comparative study of mental abilities of Mexican and American children. Discusses age, sex, social class, and urban-rural differences, as well as cultural differences. (SS)

Proposes causal field theory as a model of causal reasoning. Suggests that anomaly detection through comparison with natural events triggers causal reasoning. This anomaly is interpreted in terms of agency; therefore, natural phenomena can be understood through an appeal to agency. The mechanism proposed never changes with development, whereas…

Examines the role of social interaction as a facilitator of learning in general and conceptual change in particular. Three conditions are proposed as necessary for social interaction to facilitate knowledge construction--horizontal information, comparable domain knowledge, and availability of cognitive tools. Suggests that these conditions assure…

Pragmatic and semantic problem solving are examined as processes that enhance acquisition of mathematical knowledge. It is suggested that development of mathematical cognition involves restructuring and that math teachers can help restructure children's knowledge systems by providing them with situations in which semantic and pragmatic problem…

Proposes analogy as the central mechanism of knowledge acquisition in formal domains. Discusses experimental data on preschoolers' knowledge of one-to-one correspondence and college students' understanding of force decomposition. Suggests that a knowledge base domain is a thematically organized knowledge structure and that thematic relations in a…