October 12th, 2017

Peer Assessment: Benefits of Group Work


Students work on group project

Teaching ProfessorWith the increased use of group work in college courses, exploration of the role of peer assessment has broadened, as has its use. In one survey, 57 percent of students reported that their faculty had incorporated peer evaluations into group assignments. We’ve done articles on this topic before, but mostly we’ve highlighted resources, specifically good instruments that direct peers to provide feedback in those areas known to influence group outcomes. Recent literature includes a variety of peer assessment systems (find three examples referenced at the end of this article), many of them online programs that expedite the collection, tabulation, and distribution of the results. Here’s a list of the benefits of making peer assessment part of group learning experiences.

Peer assessment can prevent group process problems. Several studies show that it helps, and sometimes virtually solves, one of the most egregious group problems: free riding, as in students not doing their fair share of the work. One study found that the very possibility of having peer evaluations improved the performance of group members. Of course, that benefit is enhanced when peers receive feedback from each other as they are working together as opposed to when the project is finished.

Formative peer assessment also improves individual and group performance. Even if the group is not experiencing major problems, formative feedback from peers can help individual members fine-tune their contributions and help the group increase its overall effectiveness. Some of the processes faculty are using to achieve this benefit include individual and group responses to the feedback. Individual students comment on feedback from the group via an email to the teacher, and groups use the feedback to develop an improvement plan. They also make note of what the group is doing well. Online peer assessment systems make multiple exchanges of formative feedback possible, which is helpful when the groups are working on complex, course-long projects. The Brutus and Donia system resulted in measurable individual improvement during a second semester when the system was used. In other words, students took what they’d learned about their performance in the group and acted on it the following semester.

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