Proctortrack, however, seems to impose more onerous strictures on students than a live proctor would. Among other things, it requires students to sit upright and remain directly in front of their webcams at all times, according to guidelines posted on the company’s site.“Changes in lighting can flag your test for a violation,” the guidelines say. And, “Even stretching, looking away, or leaning down to pick up your pencil could flag your test.”