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Glossary

Cohort effect

Definition

Cohort effect is a pattern specific to people born in a particular period, as distinct from their age or the current moment.

The test

If the pattern persists as the cohort ages, it is a cohort effect. If it disappears as they grow up, it was an age effect.

Most generational claims fail this test, because they are made about a cohort that has not aged enough for anyone to check.

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