Ideally, multiple-choice exams would be random, without patterns of right or wrong answers. However, all tests are written by humans, and human nature makes it impossible for any test to be truly ...

Our fates in school and beyond are decided by quizzes, finals exams, driving tests and professional exams. Although test makers try to put the correct answers in random order, they fall into patterns.

According to an article just published in Current Directions in Psychological Science, the answer — perhaps surprisingly — can sometimes be choice D. But it depends on how multiple choice questions ...