 ##  [Cross-Sectional Study](/cross-sectional-study) 

  ##  [Cross-Sectional Study](https://health.quantumdictionary.io/cross-sectional-study-0) 

  

 [![Health & Life Sciences Dictionary](/sites/default/files/styles/large/public/2026-01/Health%20%26%20Life%20Sciences.png.webp?itok=yyyaiQOY)](/topic-specific-dictionaries/health-life-sciences)



**Health &amp; Life Sciences Dictionary**

 







 

 

 

 



 

 

 

 

Definition

An observational research design that measures exposures and outcomes in a defined population at a single point in time (or over a very short, specified period) to estimate prevalence and to examine contemporaneous associations; it does not by itself establish the temporal sequence required for causal inference.