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Definitions:
Cohort Effect
Differences between age groups that arise not necessarily from aging but from the unique social and environmental influences affecting those groups during their developmental periods.
Time Lag
The delay between the initiation of an action or process and its effect or outcome.
Standardized Test
A test in which an individual’s score is compared to the scores of a group of similar individuals.
Correlational Coefficient
A statistical measure that indicates the extent to which two or more variables fluctuate together.
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