High School Students' Knowledge, Attitudes, and Levels of Enjoyment of an Environmental Education Unit on Nonnative Plants

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Abstract
The authors applied constructivist learning theory to environmental education to explore knowledge gains, student attitudes, and engagement among high school students exposed to a week-long unit on nonnative plant species. The authors compared constructivist and traditional teaching methods. Each class was given a pretest and a posttest. The constructivist group significantly increased knowledge scores and attitudes, whereas the traditional group did not. The 2 groups did not differ significantly on engagement.