Why Is the Cross-Sectional Method More Common Than the Longitudinal

question 13

Multiple Choice

Why is the cross-sectional method more common than the longitudinal method?

• A)The results are obtained relatively quickly and it is less expensive.
• B)The developmental change is observed directly among the same group of people.
• C)The differences among groups of different ages reflect developmental age changes.
• D)The results observed are based on comparisons among different cohorts of individuals.

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