Study design

The value of a medical study, which we take to be any human health related investigation, depends primarily on the value of the question or questions the study aims to answer and the informativeness of the available data for answering these questions. Both these criteria are strongly influenced by study design.

- Farewell and Farewell: Study design

Learn more about common designs for medical studies and important issues in their implementation. The designs discussed in this article include those for laboratory studies, clinical trials, cohort studies, case-control and related studies, and diagnostic studies.

• Study design