Dr. Nancy Perrin, professor at Oregon Health & Science University's School of Nursing, will be visiting the department to discuss statistics on January 30-31, 2003. The following presentations have been scheduled:Discriminate Analyses/MANOVAThursday, January 30, 20034:00-5:00pm, 219 Hubbard HallEffect size: What is it and how does one calculate it?Friday, January 31, 20031:00-2:00pm, 220 Hubbard HallAnalysis of Mediator and Moderator Models (uses regression and "really is great for beefing up hypotheses")Friday, January 31, 20033:00-4:00pm, 220 Hubbard HallDr. Perrin is a methodologist and biostatistician with major expertise in such advanced statistical techniques as factor analysis and covariate structural modeling. She is currently leading the School's developing core in quantitative design and analysis, helping to mentor faculty's research programs, and serving as consultant and collaborator as appropriate and requested. In addition to her own research, and consultation and mentorship of faculty's research, Nancy will be teaching statistics in the School's doctorate program.