Q
A cross-sectional study is one in which ____________?
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A
A. The same people are retested over a period of years
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B
B. Different age groups are tested at the same time
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C
C. Different characteristics of a given individual are assessed at the same time
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D
D. The behavior of a group is assessed by different researchers
Correct Answer:
B. B. Different age groups are tested at the same time
