This best-selling text focuses on presenting the basics of research in the social and behavioral sciences in an informative and personable manner. While the basic structure of the edition remains the same, there have been some significant improvements brought about to this edition including: increased emphasis on electronic searching including specical coverage on how to use Google, coverage of bibliographic tools including PsychInfo, the inclusion of developmental research models in the chapter on quasi-experimental methods, coverage of multiple baseline designs, and introduction to SPSS 13.0, and an all new instructor's test bank.