Ronald C. Kessler & David G. Ostrow 
Methodological Issues in AIDS Behavioral Research [PDF ebook] 

Methodological problems have hampered researchers‘ efforts to understand and control AIDS since the beginning of the epidemic. This practical book addresses these problems by using actual health research case studies to develop strategies regarding design and sampling, measurement, and analysis and modeling issues. Researchers working on both biological and behavioral aspects of the disease will find this work a singularly effective tool to improve their study designs.