Presents a descriptive analogy comparing Piaget's theory of intellectual development to the development of athletic abilities in order to provide insight into Piagetian theory. (SL)

Many science curriculum development projects have the goal of increasing students' ability to employ scientific or formal reasoning strategies. Argues that longitudinal data of students who acquired formal reasoning strategies as a consequence of specific instruction are needed to provide evidence that these skills will help in other academic…

The paper presents a discussion of a theory of intelligence which postulates that intelligence develops rather than that intelligence is an innate ability possessed in full measure at birth. Discussion of unresolved issues surrounding their theory is presented. The effect of such a theory on science teaching is discussed. (RE)

Eighty-two children (aged 4 through 6) were administered a Backward Digit Span test to measure M-space (mental capacity) and four conservation tasks: number, substance, continuous quantity and weight. (MS)

Discusses whether formal thought constitutes a structured whole and role of propositional logic in advanced reasoning. Presents aspects of advanced reasoning model, considering hypothesis generation/testing as central processes in intellectual development. Argues that advanced reasoning schemata are linked by these processes and should be…