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Research Types

This guide provides information and resources on the types of research as well as supporting works including literature reviews.

Research Study Designs

These are the Suggested Research Design(s) based on a Clinical Question


All Clinical Questions: Systematic review, meta-analysis

Therapy: Randomized controlled trial (RCT), meta-analysis, cohort study, case-control study, case series

Etiology: Randomized controlled trial (RCT), meta-analysis, cohort study, case-control study, case series

Diagnosis: Randomized controlled trial (RCT), cohort study

Prevention: Randomized controlled trial (RCT), meta-analysis, prospective study, cohort study, case-control study, case series

Prognosis: Cohort study, case-control study, case series

Meaning: Qualitative study

Quality Improvement: Randomized controlled trial (RCT), qualitative study

Cost: Economic evaluation

Study Design Video

This video explains the Meta-Analysis of Multiple Randomized Trials (1:23); Randomized Trials (2:20); Prospective Cohort Studies (4:02); Case-Control Studies (5:00); Case Series (6:03); and Cross-Sectional Studies (6:13).