Which statement describes cross-sectional research?
A. The same group of people is compared repeatedly across different points in time.
B. Groups of different-aged people are compared at the same time.
C. Groups of different-aged people are compared across time.
D. Groups of same-aged people are compared at the same time.
Answer: B
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a. obsessive-compulsive b. bipolar c. schizophrenic d. somatic symptom