TY - CHAP A1 - Graham, J.W. A1 - Cumsille, P.E. A1 - Elek-Fisk, E. T1 - Methods for handling missing data Y1 - 2003 A3 - Schinka, J.A. A3 - Velicer, W.F. T2 - Research Methods in Psychology. Volume 2 of Handbook of Psychology CY - New York PB - John Wiley & Sons SP - 87 EP - -114 ER -