How AI Can Spot Exam Cheats and Raise Standards

For years, multiple-choice tests have allowed scanners to score results without human intervention. Now technology is coming directly into the exam hall. Coursera has patented a system to take images of students and verify their identity against scanned documents. There are plagiarism detectors that can scan essay answers and search the Web--or the work of other students--to identify copying. Webcams can monitor exam locations to spot malpractice.