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Halverson, Kristy L.; Pires, Chris J.; Abell, Sandra K. – Science Education, 2011
Student understanding of biological representations has not been well studied. Yet, we know that to be efficient problem solvers in evolutionary biology and systematics, college students must develop expertise in thinking with a particular type of representation, phylogenetic trees. The purpose of this study was to understand how undergraduates…
Descriptors: Evolution, Classification, Biodiversity, Knowledge Representation

Weaver, Gabriela C. – Science Education, 1998
Presents a summary of teaching practices that are successful in promoting conceptual change based on a study of Grades 4, 8, and 10 and on the research literature. Proposes improvements in teaching methodology. Contains 31 references. (DDR)
Descriptors: Concept Formation, Elementary Secondary Education, Hands on Science, Knowledge Representation