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Direct linkHarris, Sara E.; Gold, Anne U. – Environmental Education Research, 2018
We assessed undergraduates' representations of the greenhouse effect, based on student-generated concept sketches, before and after a 30-min constructivist lesson. Principal component analysis of features in student sketches revealed seven distinct and coherent explanatory models including a new "Molecular Details" model. After the…
Descriptors: Molecular Structure, Environmental Education, Intervention, Undergraduate Students
