TermCraft conventionFoundational
Cohort
A group of users who started at the same time.
Definition
A group of users sharing a defining characteristic, usually the period in which they joined.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
In plain language
A group of users who started at the same time.
Example
Comparing retention for users who signed up in March against those who signed up in April.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Deeper reading
The full entry behind this definition.
- Survivorship BiasCognitive bias
- Funnel AnalysisResearch method
- Product AnalyticsResearch method