C.Y. Joanne Peng (PhD, University of Wisconsin-Madison, Quantitative Methodswith a minor in Statistics) is Professor of Educational Inquiry Methodology andAdjunct Professor of Statistics at Indiana University . Her research interestsinclude logistic regression, missing data methods, and statistical computing usingSAS, SPSS, BMDP, Minitab, CLUSTAN, Systat, and S+. Shehas published more than 50 refereed articles, book chapters, technical reports,and encyclopedia entries on applied statistics, psychometrics, and statisticalcomputing. She is the author or co-author of two books on using SAS� forstatistical analyses and received one BEST PAPER Award at a SAS� users annualconference. She has… taught applied statistics and data analysis coursesat major Research I universities for the past 20 years, including University of Wisconsin , University of Iowa , University of North Carolina , and Indiana University . She is amember of the American Statistical Association, American Educational ResearchAssociation, American Psychological Association, and the SAS Users GroupInternational.