Reviews constructivist and sociocultural approaches to child development and early education. Outlines a neo-Piagetian systems approach to early learning and development which examines development as the result of coactions between multiple levels of hierarchical individual-environment systems. Discusses a neo-Piagetian curriculum, Rightstart, for…

Describes a science enrichment program for 5- to 8-year- olds that used constructivist theory to create a social learning environment conducive to science learning. Considers the strategic actions and roles the teacher adopted to achieve theoretical objectives. Presents evidence that the children engaged in knowledge generation and critical…

Argues that science investigation by young children should not be constrained by rigid curriculum frameworks, but be prompted by natural curiosity, as in the constructivist approach. Maintains that cognitive abilities in science and investigative skills will develop if children are encouraged to test their observations, questions, and hypotheses…