Clinical Queries filter

• For MEDLINE (Ovid) and PsycINFO (Ovid) see Therapy and Qualitative filters (options for a sensitive, specific, or balanced search)

• For more details see Search Filters for MEDLINE in Ovid Syntax and the PubMed Translation and Search Strategies for PsycINFO in Ovid syntax by McMaster Health Knowledge Refinery

Methodology Filter

• For PsycINFO, there's a methodology filter available under additional limits. Filter to empirical study, quantitative, or qualitative

Methodology Oriented Locaters for Evidence Searching (MOLES) terms 

MOLES terms from Gibbs, L. (2003). Evidence-based practice for the helping professions, Pacific Grove, CA: Brooks/Cole Thomson Learning. They have been adapted by professors Esme Fuller-Thomson and Ted McNeill at the Factor-Inwentash Faculty of Social Work, University of Toronto.

Quantitative:

Ovid Databases

• RCT or randomi* or control* trial* or control* clinical or clinical trial* or random* assign* or random* allocat* or control* group* or comparison group* or treat* group* or wait* list* or control* condition* or quasi-experiment* or quasiexperiment* or (control* adj3 intervention) or (control* adj3 treat*) or placebo

Proquest Databases

• (RCT OR (trial* NEAR/3 (control* OR clinical)) OR (random* NEAR/3 (allocat* OR assign*)) OR ((treat* OR comparison OR intervention OR control) NEAR/2 group*) OR (control* NEAR/2 (condition* OR clinic* OR intervention* OR treat*)) OR (waitlist* OR wait* PRE/0 list*) OR (quasiexperiment* OR quasi PRE/1 experiment*) OR placebo)

Qualitative:

Ovid Databases

• (("semi-structured" or semistructured or unstructured or informal or "in-depth" or indepth or "face-to-face" or structured or guide) adj3 (interview* or discussion* or questionnaire*)) or (focus group* or qualitative or ethnograph* or fieldwork or "field work" or "key informant")

Proquest Databases

• (("semi-structured" OR semistructured OR unstructured OR informal OR "in-depth" OR indepth OR "face-to-face" OR structured OR guide OR guides) NEAR/3 (interview* OR discussion* OR questionnaire*)) OR ("focus group*" OR qualitative OR ethnograph* OR fieldwork OR "field work" OR "key informant" OR interviews OR "group discussion" OR "mixed method*")