Overview of Experimental Research
What is experimental research?
- An experimental (or intervention) study is a study where the exposure or treatment is controlled by the investigator.
- Experimental studies provide evidence to support or refute the existence of a cause-effect relationship.
- There are different types of experimental study designs. One is the randomized controlled trial (RCT) which is considered the “gold standard” of experimental studies.
Helpful Links, Videos and Online Courses
- Observational vs. Experimental Studies
- Brief overview comparing observational and experimental research designs.
- Experimental Studies
- Chapter 9 of Epidemiology for the Uninitiated published by BMJ.
- Experimental Study Designs: Clinical Trials
- 19-minute overview video developed by the Indian Council of Medical Research.
- Randomized Controlled Trials (RCT)
- 9-minute video developed by UNICEF Office of Research-Innocenti.
- Types of Experimental Designs
- A 7-minute video detailing 3 types of experimental designs.
- Bhide, A., Shah, P. S., & Acharya, G. (2018). A simplified guide to randomized controlled trials. Acta Obstetricia et Gynecologica Scandinavica, 97(4), 380–387.