The Campbell Collaboration is an international research network that produces systematic reviews of the effects of social interventions in crime and justice, education, international development and social welfare. Find systematic reviews here.
Where did we find these statistics?
The Association of College and Research Libraries (ACRL), a division of the American Library Association, publishes College and Research Libraries News, a monthly newsmagazine. In the January 2010 issue a bibliography of online statistical sources appeared, from which these listings were selected. Descriptions are taken from the original article.
Reviews can help you determine a direction you'd like to take in your own research and identify themes of current research that's being conducted. Below are three suggestions for finding reviews.