1. Introduction; Todd Little; 2. The Philosophy of Quantitative Methods; Brian D. Haig; 3. Quantitative Methods and Ethics; Ralph L. Rosnow and Robert Rosenthal; 4. Special Populations; Keith F. Widaman, Dawnt? R. Early, and Rand D. Conger; 5. Theory Construction, Model Building, and Model Selection; James Jaccard; 6. Teaching Quantitative Psychology; Lisa L. Harlow; 7. Modern Test Theory; R. P. McDonald; 8. The IRT Tradition and its Applications; R.J. de Ayala; 9. Survey Design and Measure Development; Paul E. Spector; 10. High Stakes Test Construction and Test Use; Neal M. Kingston and Laura B. Kramer; 11. Effect Size and Sample Size Planning; Ken Kelley; 12. Experimental Design for Causal Inference: Clinical Trials and Regression Discontinuity Designs; Kelly Hallberg, Coady Wing, Vivian Wong, and Thomas D. Cook; 13. Matching and Propensity Scores; Peter M. Steiner and David Cook; 14. Designs for and Analyses of Response Time Experiments; Trisha Van Zandt and James T. Townsend; 15. Observational Methods; Jamie M. Ostrov and Emily J. Hart; 16. A Primer of Epidemiologic Methods, Concepts, and Analysis with Examples and More Advanced Applications within Psychology; David E. Bard, Joseph L. Rodgers, and Keith E. Muller; 17. Program Evaluation: Principles, Procedures, and Practices; Aurelio Jos? Figueredo, Sally Gayle Olderbak, Gabriel Lee Schlomer, Rafael Antonio Garcia, and Pedro Sofio Abril Wolf; 18. Overview of Statistical Estimation Methods; Ke-Hai Yuan and Christof Schuster; 19. Robust Statistical Estimation; David M. Erceg-Hurn, Rand R. Wilcox, and Harvey J. Keselman; 20. Bayesian Statistical Methods; David Kaplan and Sarah Depaoli; 21. Mathematical Modeling; Daniel R. Cavagnaro, Jay I. Myung, and Mark A. Pitt; 22. What Would Happen If...? Monte Carlo Analysis in Academic Research; P. E. Johnson