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Libarkin, Julie C.; Thomas, Stephen R.; Ording, Gabriel – International Journal of Science Education, 2015
Exploratory factor analysis was used to identify models underlying drawings of the greenhouse effect made by over 200 entering university freshmen. Initial content analysis allowed deconstruction of drawings into salient features, with grouping of these features via factor analysis. A resulting 4-factor solution explains 62% of the data variance,…
Descriptors: Factor Analysis, Freehand Drawing, Attitude Measures, Models