PsycNet This link opens in a new windowThis database searches the following PsycNET databases individually or all at once: PsycARTICLES, a full-text database of journals published by the American Psychological Association (APA) and other publishers in subject areas such as applied psychology, health, theory, research, personality and more; PsycTESTS, a database of the full text of psychological tests and measures as well as a rich source of structured information about the tests; APA Books, a subset of the PsycBOOKS database which includes the full text of APA books from one or more copyright years; and PsycINFO (1872-present), a collection of more than 1,900 international periodicals written in over 24 languages as well as books, book chapters, and theses and dissertations.