Introduction -- Sampling and measurement -- Descriptive statistics -- Probability distributions -- Statistical inferrence : estimation -- Statistical inferrence : significance tests -- Comparison of two groups -- Analyzing association between categorical variables -- Linear regression and correlation -- Introduction to multivariate relationships -- Multiple regression and correlation -- Comparing groups : analysis of variance (ANOVA) methods -- Combining regression and ANOVA : quantitative and categorical predictors -- Model building with multiple regression -- Logistic regression : modeling categorical responses -- Appendix A : SPSS and SAS for statistical analyses.