What is it about?
Examinator v3.0 is a plagiarism detection tool that helps identify pairs of students who might have plagiarized in online exams and assignments.
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Why is it important?
Maintaining academic integrity and the validity of assessment processes is crucial, especially for take-home exams. Addressing cheating is of paramount importance, particularly in the context of online education and take-home exams. To this end, we have developed Examinator v3.0, an enhanced cheating detection tool that is compatible with Canvas New Quizzes and performs both answer value and temporal analysis. In the three courses where it has been deployed, 46 students have been confirmed cheating. Our initial results show that temporal analysis significantly aids in the identification of potential cheating cases. Furthermore, using question types with large possible answer spaces helps cheating detection in that it increases the likelihood of rare answer matches. Lastly, we show that unsupervised learning techniques could reduce the search space for cheating pairs significantly. Moving forward, we will continue refining Examinator v3.0 and aim to deploy it in more classes, ensuring academic integrity and fostering a fair evaluation environment.
Perspectives
The idea behind all this is very simple, we are not trying to make students life worse. Just don't cheat. We’re trying to make it so that it’s just as hard to cheat and not get caught as it is to do the work in the first place, so just do the work in the first place.
Varun Agarwal
Georgia Institute of Technology
Read the Original
This page is a summary of: Examinator v3.0: Cheating Detection in Online Take-Home Exams, July 2023, ACM (Association for Computing Machinery),
DOI: 10.1145/3573051.3596196.
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