Exam time has come and gone and grades are filed. I have never had any trouble, as far as a I know, with cheating in my exams.  My expectation is that most problems arise from plagiarism in writing assignments.   There may be people trying to cheat on my exams, I suppose, but I am not sure it would prove helpful.   I change my exams and take steps to try to make the exam as fair possible, so that cheaters, should there be any, can't get much of an advantage.  

I was interested to see the report that China took proctoring to new heights this week, according to a news report in The Guardian, China deploys drones to stamp out cheating in college entrance exams:

Authorities in China are employing surveillance drones in an effort to stamp out cheating in college entrance exams.

The stakes are high in the tests, with the scores determining which tier of university students can go to. Methods of cheating have included selling answers, hiring surrogate test takers and using wireless equipment to communicate during the test.

But this year officials have unleashed a six-propeller drone, flown over two testing centres in

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