The study used student projects as the main vehicle for integrating active learning methods into the lecture. The study took place during a 10-week class, with four projects being assigned to groups of size four to six. Projects centered on (1) statistical tests of goodness-of-fit; (2) design of a simple experiment and analysis of variance using two factors; (3) factorial design experiment and analysis; and (4) regression analysis. In each project, there was emphasis placed on the purposefulness of the experiment, the design, and the ensuing collection of data. Each project lasted about two weeks, including around 90 minutes of in-class work used for project instruction, questions, and discussion. A primary weakness of the research was insufficient time in which to conduct classroom presentations by the students themselves concerning their projects and the learning processes that took place.

Extent to Which Findings Can Be Generalized to Student Population. While the...
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