FACTORS THAT AFFECT PEER RATER ACCURACY IN MULTIRATER FEEDBACK SYSTEMS by Katie J. Thiry MICHAEL H. MCGIVERN, Ph.D., Faculty Mentor and Chair KEITH J. JOHANSEN, Ph.D., Committee Member JIM MIRABELLA, D.B.A., Committee Member Barbara Butts Williams, Ph.D., Dean, School of Education A Dissertation Presented in Partial Fulfillment Of the Requirements for the Degree Doctor of Philosophy Capella University July 2009