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Abstract Title: Impact of Group Work on Cognitive Load and Conceptual Test Performance
Abstract: We investigated the effect of group work on students' conceptual test performance from a cognitive load perspective. Half students completed a conceptual test and a cognitive load survey both individually and in a group in the beginning and end of the semester. The other half complete all tests individually at all time. We found that group testing significantly improved test performance. More importantly, we found a significant interaction between the time the test is taken (beginning or end) and test format (individual or group) indicating that the performance improvement from individual to group testing is significantly larger at the end of the unit than that at the beginning.  Furthermore, working on the same test individually twice revealed no significant difference in testing performance. Cognitive load survey results showed working in groups could maintain a high level of germane load even though it may increase the extraneous load experienced by students.
Abstract Type: Juried Talk
Parallel Session: Juried Talks II
Session Time: Parallel Sessions Cluster II
Room: Soldier Creek

Author/Organizer Information

Primary Contact: Tianlong Zu
Purdue University
Co-Author(s)
and Co-Presenter(s)
N. Sanjay Rebello