Search for keyword(s) and phrases for your behavior in the first search box. Use "or" between alternative words, for example:
marijuana OR cannabis
To find 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.
Be sure to check the Peer Reviewed box, located after the search boxes:
On the search page, scroll below the search boxes and select Empirical Study on the Methodology menu.
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.