With this easy to use rubric, you can hold all students in a group accountable for the work they should be doing. At the end of the project simply pass out this rubric and allow the students to evaluate one another based on their contributions.
The rubric includes a numeric score, and a description of the criteria to receive each score, as well as comment boxes for each category to allow students to explain their choice selection. By doing this, you can ensure all students receive a justified grade. I typically average all of the rubrics filled out for one student together to compute their final "group" grade, however you may use it however you feel best.
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