R. Barker Bausell is Professor at the University of Maryland School of Medicine and Director of Research of the Complementary Medicine Program. YU-FANG LI is a Data Analyst at the Department of Veteran's Affairs, Puget Sound Health Care System in Seattle, Washington.

• Introduction; 1. The conceptual underpinnings of statistical power; 2. Strategies for increasing statistical power; 3. General guidelines for conducting a power analysis; 4. The t-test for independent samples; 5. The paired t-test; 6. One-way between subjects analysis of variance; 7. One-way between subjects analysis of covariance; 8. One-way repeated measures analysis of variance; 9. Interaction effects for factorial analysis of variance; 10. Power analysis for more complex designs; 11. Other power analytic issues and resources for addressing them; Technical appendix; Bibliography; Index.

R. Barker Bausell is Professor at the University of Maryland School of Medicine and Director of Research of the Complementary Medicine Program. YU-FANG LI is a Data Analyst at the Department of Veteran's Affairs, Puget Sound Health Care System in Seattle, Washington.

• Introduction; 1. The conceptual underpinnings of statistical power; 2. Strategies for increasing statistical power; 3. General guidelines for conducting a power analysis; 4. The t-test for independent samples; 5. The paired t-test; 6. One-way between subjects analysis of variance; 7. One-way between subjects analysis of covariance; 8. One-way repeated measures analysis of variance; 9. Interaction effects for factorial analysis of variance; 10. Power analysis for more complex designs; 11. Other power analytic issues and resources for addressing them; Technical appendix; Bibliography; Index.