Two theories relating to cognitive development: Case and Siegler

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This paper compares two theories of cognitive development, with particular reference to information processing. The writer considers the work of neo-Piaget theorist Case, and that of Siegler, who offers an evolutionary theory of cognitive development as described through the wave metaphor. Case, on the other hand, presents a more traditional view of cognition based on stages. The writer takes the view that both approaches have validity and merit. This seven page paper has six sources listed in the bibliography.