Sociology / Unit 7 Soc 1116 short lesson, about 20 seconds
Cohort
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The idea
A cohort is a group sharing a demographic trait, such as birth period, that researchers track together as it moves through time.
In practice
The Baby Boom cohort, born 1946–1964, is tracked as a single unit across surveys spanning decades.
Where people slip
A cohort keeps the same members over time, unlike an age group, whose membership changes as people age into and out of it.
Your place on the trail
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