The theory of conceptual fields is a developmental theory. It has two aims: (1) to describe and analyse the progressive complexity, on a long- and medium-term basis, of the mathematical competences that students develop inside and outside school, and (2) to establish better connections between the operational form of knowledge, which consists in…

Examines development of representational thought from the perspective of Jean Mandler's image-schema theory and an action-theoretical approach derived from Piaget's theory. Concludes that empirical findings fail to support hypotheses of early onset, and that representational development is more adequately interpreted within the context of an…

Claims that mind and mental objects form a societal mental structure enabling children to assimilate the society and become co-constructing members. Cites evidence that competence to create mental objects, symbols, and meanings separated from action is the evolutionary evolved human capacity for society and culture. Vygotsky's "natural"…

Recent research has established closer links between language, cognition, and social life than Piaget or Vygotsky imagined. Connections have been established between object permanence development and acquisition of disappearance words and the quantity and quality of child-adult joint attentional social interactions and children's early word…

Examines two prominent positions in the epistemological foundations of psychology--Piaget's causal explanatory claims and Vygotsky's interpretive understanding; contends that they need to be placed in their wider philosophical contexts. Argues that the danger of causally explaining cultural practices through which human beings construct and…

Uses example of racism to compare Vygotsky's and Piaget's perspectives on the development of mind within the framework of questions regarding the mutual influence of societies and individuals. Notes that Vygotsky emphasizes knowledge transmission from older to younger, whereas Piaget emphasizes construction of new knowledge with potential for…