In our new twelfth edition, the primary focus of Melthods in Be-havioral Research remains constant: We continue to believe that teaching and learning about research methods is both challenging and great fun, and so we emphasize clear communication of concepts using interesting examples as our highest priority.
We have added to and updated our examples, clarified concepts through-out,and removed material that was distacting or confusing. We continue to enhance learning by describing important concepts in several contexts throughout the book; research shows that redundancy aids understanding.
We also emphasize the need to study behavior using a variety of research ap-proaches.
We have had a positive response to the addition of Illustrative Ar-ticles in most chapters: Students are asked to find and read a specific recent ticles in most chapters: Students are asked to find and read a specific recent journal article and answer questions that require use of concepts introduced in the chapter.

1. Scientific Understanding of Behavior.
2. Where to Start.
3. Ethics in Behavioral Research.
4. Fundamental Research Issues.
5. Measurement Concepts.
6. Observational Methods.
7. Asking People About Themselves: Survey Research.
8. Experimental Design.
9. Conducting Experiments.
10. Complex Experimental Designs.
11. Single-Case, Quasi-Experimental, and Developmental Research.
12. Understanding Research Results: Description and Correlation.
13. Understanding Research Results: Statistical Inference.
14. Generalization.

Appendix A: Reporting Research.
Appendix B: Ethical Principles of Psychologists and Code of Conduct.
Appendix C: Statistical Tests.

AUTHORS
PAUL C. COZBY
(California State University, Fullerton)

SCOTT C, BATES
(Utah State University)

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