Argues for learning communities as a fruitful milieu for cognitive development and knowledge construction. Provides a metaphor of a constructivist learning community organization grounded on French scientist and philosopher Pierre Teilhard de Chardin's theory of evolution. Asserts that Teilhardian thought is useful for conceptualizing a…

Describes a study that examined the cognitive styles of African students in order to propose appropriate strategies for bibliographic instruction in African colleges. The results of the cognitive tests given to students are presented, and recommendations for appropriate teaching strategies are outlined. (12 references) (CLB)