1. Statistics or Sadistics? It's up to you -- 2. Means to an end: computing and understanding averages -- 3. Vive la difference: understanding variability -- 4. A picture really is worth a thousand words -- 5. Ice cream and crime: computing correlation coefficients -- 6. Just the truth: an introduction to understanding reliability and validity -- 7. Hypotheticals and you: testing your questions -- 8. Are your curves normal? Probability and why it counts -- 9. Significantly significant: what it means for you and me -- 10. t(ea) for two: tests between the means of different groups -- 11. t(ea) for two (again): tests between the means of related groups -- 12. Two groups too many? Try analysis of variance -- 13. Two too many factors: factorial analysis of variance -- 14. Cousins or just good friends? Testing relationships using the correlation coefficient -- 15. Predicting who'll win the super bowl: using linear regression -- 16. What to do when you're not normal: chi-square and some other nonparametric tests -- 17. Some other (important) statistical procedures you should know about -- 18. A statistical software sampler -- 19. The ten best internet sites for statistics stuff -- 20. The ten commandments of data collection -- Answers to practice questions -- Appendix A: SPSS in less than 30 minutes -- Appendix B: Tables -- Appendix C: Data sets.