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Multilingual Demographic Dictionary, second unified edition, English volume

Cohort analysis

Multilingual Demographic Dictionary, second unified edition, English vol.
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Cohort analysis  (COHORT analysis)


Demographic analysis 1 is that branch of formal demography which controls for the effect of population size and structure on demographic phenomena 2 by isolating the effects of each demographic variable from the others, the latter of which are called disturbing phenomena 3★. It also studies the relations between demographic variables and how they interact to form population structures. A distinction is made between cohort analysis 4 or generational analysis 4 which focuses on a well defined cohort (cf. 117-2) followed through time, and cross-sectional analysis 5 or period analysis 5 which focuses on the demographic phenomena that occur during a precise time interval (such as a calendar year) among several cohorts.

  • 4. Panel analysis follows the same individuals case by case.

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