The credibility of unsupervised exams, one of the biggest challenges of e-learning, is currently maintained by proctoring. However, little has been done to determine whether expensive and inconvenient proctoring is necessary. The purpose of this quantitative study was to determine whether the use of security mechanisms, based on the taxonomy of…

Online teaching is growing in popularity. This paper presents a case study for an online business course investigating student exam scores obtained from non-randomized and randomized exams. We find that the non-randomized exam scores of the students are suspicious because there are statistically significant disparities from the randomized exam…