Multiple Choice
A researcher is studying how depression tends to be experienced by people of different ages. The researcher interviews depressed adolescents, young adults, individuals in their 30s and 50s, and those over 70 years old. The research design being used is called .
A) cross-sectional
B) longitudinal
C) experimental
D) case-study
Correct Answer:

Verified
Correct Answer:
Verified
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