Argues that genuine critical thinking requires the recognition of the evolutionary nature of knowledge. Discusses the Perry scheme of nine stages of cognitive development and the Nelson variant of Perry's stages. Discusses teaching methods that are based on this approach and provides suggestions for further research. (CFR)

Describes the use of fictional literature in a college-level developmental psychology class. Focuses specifically on Maya Angelou's "I Know Why the Caged Bird Sings" and its relation to several child development topics. Contends that literature should be used more often as part of instruction, especially in the sciences. (CFR)

Examined is the influence and developmental nature of science processes. Results indicated that a one-semester process skills course was effective in developing a basis for science content acquisition. Additional gains can be obtained in an extended curricular sequence. (Author/CW)