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You should look for websites that provide objective reviews. Two highly regarded sources of rigorous, objective reviews can be found at the websites of the Cochrane Collaboration and the Campbell Collaboration. Both of these sibling collaborations recruit groups of experts to conduct each review. The reviews provided by the Cochrane Collaboration focus on health and healthcare interventions broadly, including caregiving, workforce, mental health, and substance abuse treatment, and can be accessed at www.cochrane.org. In addition to its reviews, that site provides links to critical appraisals of the reviews, bibliographies of studies, and other information, including information to help readers appraise the quality of its review system.

The Campbell Collaboration reviews focus on social welfare, education, and criminal justice. You can access its website at www.campbellcollaboration.org. Even though the Cochrane and Campbell Collaborations are maintained separately, they do include overlapping areas of research. For example, reviews of mental health-relevant research can be found in both libraries of systematic reviews.

Another other highly regarded source is the American Psychological Association's website (http://www.apa.org/divisions/div12/rev_est) on empirically supported treatments.

Government sites can be another good option. One such site, for example, is the National Center for Post-Traumatic Stress (www.ncptsd.va.gov/publications/cq/v5/n4/keane.html).

Rather than rely exclusively on reviews, which as we have noted can be risky, you can review individual studies yourself. One way to do that is by going to the National Institutes of Health (NIH) government website (http://www.nlm.nih.gov) to get free access to a professional literature database called MedLine, which is provided by the National Library of Medicine and includes journal citations and abstracts. In response to increased calls for public access to taxpayer-supported research, NIH implemented a new public access policy in 2008 that required that any published results of NIH-funded research be submitted to a digital archive and made accessible to the public no later than 12 months after publication. This digital archive is called PubMed Central. The PubMed website (http://www.ncbi.nlm.nih.gov/pubmed) provides access to both MedLine citations and abstracts as well as full text articles when available through PubMed Central.

Another option is provided by Google and called Google Scholar. You can access it through Google by entering Google Scholar as your search term. This Google search option is designed to broadly identify scholarly literature and is helpful in narrowing down sources to journal articles, chapters, reports, and books. For example, when we entered the search term EMDR into Google Scholar, the first 10 sources were all peer-reviewed articles from journals such as the Journal of Consulting and Clinical Psychology and the Journal of Anxiety Disorders. If you do have access to a university library as a student, field instructor, or alumnus, Google Scholar is increasingly linked to the full text of articles through university library collections.