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Detecting Multiple-Accounts Cheating in MOOCs | TU Delft Repositories
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Detecting and Preventing "Multiple-account" Cheating in MOOCs
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[1508.05699] Detecting and Preventing "Multiple-Account" Cheating in Massive Open Online Courses
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Research Uncovers MOOC Cheating Strategy -- Campus Technology
- Researchers from MIT and Harvard University have uncovered a new cheating scheme specific to MOOCs. As they explain in a working paper freely available online, some students are taking advantage of design features that allow for the creation of multiple accounts for a MOOC platform. They use some of the accounts to ferret out the right and wrong answers to quizzes; then they use one remaining account to submit only the correct answers.
- "copying answers using multiple existences online" or CAMEO.
- "This is not an isolated incident of copying on part of one assignment," Ho says. "This is the wholesale falsification of a certificate."
- Preventing CAMEO may be as simple as mixing up the questions from one test-taker to the next or withholding answers until after all assignments are due, according to the report. But content providers will have to consider the trade-offs. For example, the report said, "If instructors withhold the 'show answer' option until after the problems are graded, this would constrain generally desirable asynchronous MOOC usage, and students will not have the rapid feedback touted as a pedagogical benefit of online learning environments." Also, randomizin questions are easier in some types of courses than others.
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Saturday, December 23, 2017
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