“…Several scholars have stated that in order for students to use peer review successfully, they need to be trained in how to peer review (cf. Artemeva & Logie, 2003;Beach & Friedrich, 2006;Boud, Cohen, & Sampson, 2001;Carson & Nelson, 1996;Dipardo & Warshauer Freedman, 1988;Dippold, 2009;Falchikov, 2005;Hanrahan & Isaacs, 2001;Hyland & Hyland, 2006a, 2006bSimmons, 2003). Unexplored is the question of the extent to which an instructor's directions, guidance, and modeling influence students' commenting behavior.…”