PsycINFO (also known as APA PsycINFO) PsycINFO, which contains more than 3 million citations and summaries of psychology related scholarly journal articles, book chapters, books, and dissertations, is the largest resource devoted to peer-reviewed literature in behavioral science and mental health. Journal coverage spans from the 1800s to the present and includes international material selected from approximately 2,400 periodicals in dozens of languages. Note that PsycINFO includes all of the full text articles contained in PsycARTICLES as well as much more.