2.5 Turnitin (plus GradeMark and PeerMark)
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Turnitin (latest version is Turnitin2) is a well-known and market-leading web-based, subscription-only suite of tools that includes plagiarism detection, management of formative and summative assignments, digital (paperless) grading and feedback, and peer commenting. Turnitin is most famous for its plagiarism checking service as it is a very powerful tool in detecting collusion and plagiarism. When a student submits a paper to Turnitin, it is checked against a database of previously submitted student work around the world and an extensive variety of online and print research sources. If the system finds passages of identical text, it flags them for the instructor to review. An example of a Turnitin originality report is presented in Figure 10.
Figure 10: Example of a Turnitin originality report
Less well known features of Turnitin are the GradeMark and PeerMark features.
The GradeMark component of Turnitin gives instructors a fully-featured digital environment for grading and commenting on student work. After grades are posted by the instructor, students can access GradeMark to review comments and print or save a copy of the graded files.
An example of GradeMark view is presented in Figure 11.
Figure 11: An example of GradeMark view
After the assignment has been marked using the rubric scorecard (see Figure 12), automated feedback is generated that explains to the student the reasons for his/her grade. In addition, specific feedback can be added, either throughout the assignment (comments will appear in a different colour and can be typed over the original text) or at the end of the feedback report.
Figure 12: An example of rubric score card-based feedback
PeerMark is a functionality that allows the assignments to be peer reviewed so that students can evaluate each other's work and learn from their classmates. This will develop students' critical thinking skills and empower them to share and help other students in the classroom. An example of the PeerMark view is presented in Figure 13.
Figure 13: An example of PeerMark view
 Some Learning Management Systems (see, for example, Instructure Canvas) provide this functionality. Canvas automatically sends both instructor comments and graded files to students.