“…However, students can rank the relative quality of their peers' solutions similarly to experts, albeit with peers assigning higher absolute rating values (Billington, 1997;Cheng & Warren, 1999). One option for instructors is to remove numeric scoring altogether from the peer-review process and focus exclusively on written feedback (O'Moore & Baldock, 2007), although this approach solves the problem of students' poor performance at numeric scoring by ignoring it. Even though teams may not use the peer feedback they receive, the review process is effective in getting students to critically evaluate their own work (Ballantyne, Hughes, & Mylonas, 2002;Sitthiworachart & Joy, 2003) and in developing the ability to critically evaluate the work of others (Ballantyne et al, 2002;Boud, 2000;Guilford, 2001;Sitthiworachart & Joy, 2004).…”