 ##  [Cohort Analysis](/cohort-analysis) 

  ##  [Cohort Analysis](https://information.quantumdictionary.io/cohort-analysis-0) 

  

 [![Information & Communication Dictionary](/sites/default/files/styles/large/public/2026-01/Information%20%26%20Communication.png.webp?itok=g4emS-T7)](/topic-specific-dictionaries/information-communication)



**Information &amp; Communication Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A longitudinal analytic technique that groups subjects by a shared defining attribute (for example, date of first use, registration month, or exposure event) and tracks those groups over successive time intervals to compare behaviors, retention, or outcome trajectories; designed to reveal temporal patterns that aggregate cross-sectional measures obscure.