“Our overall conclusion is that, within the confines of our study, both male and female students can and do grade their homework honestly” (p. 57). That's not an expected conclusion, or one most faculty would hold about their students. If the homework counts in final grade calculation, then there's a significant incentive for students to generously grade their work, if not outright cheat. Moreover, there's the question of expertise. Do students have the qualifications needed to grade their work accurately?