A researcher has only one year to complete a study on a topic that spans the entire range of childhood. To complete the study she should use a _____ design
a. cohort
b. longitudinal
c. correlational
d. cross-sectional
Answer: D
Rationale: This is used to measure and compare samples of people at different ages at a given point in time.
Psychology
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Indicate whether the statement is true or false.
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