Includes bibliographical references and index.

The logic of comparisons and analysis -- Variables and measurement -- Understanding data through organization -- Measures of central tendency -- Measures of dispersion -- The form of a distribution -- Introduction to bivariate descriptive statistics -- Measures of existence and statistical significance -- Measures of strength of a relationship -- Measures of direction and nature of a relationship -- Introduction to multivariate statistics -- Multiple regression I: ordinary least squares regression -- Multiple regression II: limited dependent variables -- Factor analysis and structural equation modeling -- Introduction to inferential analysis -- Hypothesis testing -- Hypothesis tests -- Analysis of variance (ANOVA) -- Putting it all together -- Appendix A: Math review and practice test -- Appendix B: Statistical tables -- Appendix C: The Greek alphabet -- Appendix D: Variables in data sets.