Instructors can enable peer reviews for assignments created using the Assignments tool. Enabling peer reviews allows students to view and leave feedback on their fellow students' assignment submissions. The instructor can manually assign peer reviews or have Canvas assign them automatically. Students can only view the submissions of students to which they have been assigned.
The following link will take you to the guides created by Instructure for assignments. You will find the peer review tutorials towards the bottom of the Assignments section.
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