Limit to Peer Reviewed: be sure to check the Peer Reviewed box, located after the search boxes:
Find causes: if you're having trouble finding articles that discuss possible causes or related factors, in a separate search box, add:
etiology or caus*
Etiology means the study of causes. The *, or wildcard, will find different word endings: causes, causal, causality.
Find treatments for the cause: if you're having trouble finding articles that discuss interventions, in a separate search box add words for this concept, for example:
intervention or treatment or therapy
Note: This video demonstrates a search using the ProQuest database ERIC, but the search functions are the same in PsycINFO and other ProQuest databases:
This video demonstrates how (and why) to use the thesaurus tool to find subject terms to improve your searching of PsycINFO.