Research Methods in Health Psychology French, D., Yardley, L., & Sutton, S. (2008). Research methods in health psychology. In S. Sutton, A. Baum, & M. Johnston (Eds.), The Sage handbook of health psychology (pp. 326-359). SAGE Publications Ltd.
Provides a nice summary of major concepts in psychological research. This is a great reference to bookmark for any basic research needs.