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jlena jlena
wrote...
Posts: 8
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4 years ago
A. The developmental change is observed directly among the same group of people.

B. The results are obtained relatively quickly and it is less expensive.

C. The results observed are based on comparisons among different cohorts of individuals.

D. The differences among groups of different ages reflect developmental age changes.
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wrote...
Educator
4 years ago
Choose: The results are obtained relatively quickly and it is less expensive
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