Observational: Observes participants / research population
Correlational: Questions how 2 or more variable are related
Experimental: participants are evaluated / examined under controlled conditions to measure how one variable affects another. Study consists of at least 2 random groups and a control group. The control group does not experience or receive the variable being tested, and the 2 groups are evaluated for the effect of the variable being investigated.
Quasi-Experimental: Pre-existing (not assigned groups) are evaluated / examined.
Use PubMed's Additional Filter's link to find different Research Types
PubMed@CSULBProvides access to MEDLINE, Pre-MEDLINE, additional life science journals, and molecular biology databases. If articles have no free full text use Get It@CSULB. Medline covers 1940's to present, updated daily.
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