A researcher is investigating the effectiveness of a new treatment for a psychological disorder. Which of the following research designs would be most appropriate to use?
A.
Case study
B.
Survey
C.
Randomized controlled trial
D.
Longitudinal study
E.
Cross-sectional study
Exam No：AP Psychology Problem Set 4 Year：2024 Question No：APPsychology2024AP0513
Answer:
C
Knowledge points:
8.7 Introduction to Treatment of Psychological Disorders
Solution:
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