Study Design in Clinical Research

Selecting the right study design is one of the most consequential decisions a clinical researcher makes. This stack introduces the major study designs used in clinical research, from experimental and observational approaches to pilot studies and case reports.

study design in clinical research

Learn how to select the right observational approach for your study so your research delivers credible results.

study design in clinical research

Learn the principles of experimental and quasi-experimental design and the components of randomized controlled trials. 

study design in clinical research

Learn what pilot studies are (and aren’t) and develop strategies for designing and conducting effective pilot studies.

study design in clinical research

Learn how case reports contribute to scientific understanding and outline the key components as defined by CARE guidelines.