Scholarly peer review is the process of subjecting an author's scholarly work to the scrutiny of others who are experts in the same field, before the work is then published in a journal. The work may be accepted, considered acceptable with revisions, or rejected.
There are a number of ways to find peer reviewed material:
Evidence-based practice in psychology (EBPP)is the integration of the best available research with clinical expertise in the context of patient characteristics, culture, and preferences. EBPP promotes effective psychological practice and enhances public health by applying empirically supported principles of psychological assessment, case formulation, therapeutic relationship, and intervention to all professional practices.
Read the APA policy statement on EBP to learn more about Evidence Based Practice principles and how they apply in psychology.
The following excerpt from the APA Policy Statement outlines the different research designs that contribute to evidence based practice and the type of questions they can be used to address.
How should I cite the APA policy statement on EBP?
APA Presidential Task Force on Evidence-Based Practice. (2006). Evidence-based practice in Psychology. American Psychologist, 61(4), 271-285. doi: 10.1037/0003-066X.61.4.271