- Explores not only the procedural aspects of psychological research, but also delves into the issue of how to accomplish effective science.
- Explicates how hypotheses and theories are to be evaluated.
- Suggests that the proper approach to devising and evaluating theories is by abduction, not by induction or deduction alone.
- Incorporates new investigatory procedures, current methodologists, conflicts and issues, implications of the philosophy of science, and a lively prose style.
- Provides a picture of science that will engage students and expand their abilities as both scientists and psychologists.