Plagiarism Detection: A Comparison of Teaching Assistants and a Software Tool in Identifying Cheating in a Psychology Course:

摘要: Essays that are assigned as homework in large classes prone to cheating via unauthorized collaboration. In this study, we compared the ability of a software tool based on Latent Semantic Analysis (LSA) and student teaching assistants detect plagiarism group students. To do so, took two approaches: first approach was in vivo; is, observed whether LSA could during term. The second in vitro; had 14 evaluate, after term ended, sample N = 60 essays which were identical. Results showed responsible assistant did not duplicates (in vivo) majority notice they read identical (in vitro). Some them even scored markedly different ways. However, easily identified evaluated equally good by LSA. We c...