Miller, D., & Schraeder, M. (2015). Research on group learning and cognitive science: A study of motivation, knowledge, and self-regulation in a larger lecture college Algebra class. The Mathematics Educator, 24(2), 27-55. Retrieved from http://tme.journals.libs.uga.edu/index.php/tme/article/view/309

At a research University near the east coast, researchers restructured a College Algebra course by formatting the course into two large lectures a week, an active recitation size laboratory class once a week, and an extra day devoted to active group work called Supplemental Practice (SP). SP was added as an extra day of class where the SP leader has students work in groups on a worksheet of examples and problems, based off of worked-example research, that were covered in the previous week’s class material. Two sections of the course were randomly chosen to be the experimental group and the other section was the control group. The experimental group was given the SP worksheets and the control group was given a questionand-answer session. The experimental group's performance was statistically significant compared to the control on a variety of components in the course, particularly when prior knowledge was factored into the data.

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