These databases are the ones you should use to start your search for research articles.
Provides abstracts and full text of thousands of journals from the 1800s to the present in psychology and related disciplines, including education, linguistics, neurosciences, pharmacology, and social work.
Every Diagnostical and Statistical Manual (DSM) from 1952 until the current DSM-5-TR. Plus textbooks, case studies, and practice guidelines.
Largest abstract and citation database of peer-reviewed literature: over 21,500 scientific journals, 130,000 books and conference proceedings, covering all fields of academic study: science, technology, medicine, social sciences, and arts and humanities. Scopus also includes 8 different citation metrics, analyzing impact at the author, article, journal, and institution levels.
Provides bite-size, introductory overviews to all the major research methods in the social sciences to help get you on your way.
Subject: Database's vocabulary (different for different databases)
Keyword: Your vocabulary
LImiters: Special to each database ("Age Group" below)
Databases use a grammar of AND, OR, AND NOT -- a language of mathematics. No prepositions, verbs, determiners, affixes -- anything you learned in English or human language classes.