PsycINFO This link opens in a new windowPsycINFO, from the American Psychological Association (APA), contains nearly 2.3 million citations and summaries of scholarly journal articles, book chapters, books, and dissertations, all in psychology and related disciplines, dating as far back as the 1800s. 97 percent of the covered material is peer-reviewed. The database also includes information about the psychological aspects of related fields such as medicine, psychiatry, nursing, sociology, education, pharmacology, physiology, linguistic