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anastassius [24]
3 years ago
9

An experimental design for assessing age-related changes in which data are obtained from the same individuals at intervals over

a long period is called a ____.
a. cross-sectional study
b. correlational study
c. mixed longitudinal study
d. longitudinal study
Social Studies
1 answer:
Bond [772]3 years ago
8 0
<span>Cross-sectional study</span>
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