Multiple Choice
Suppose that Dr. Rand goes to a college reunion and asks for volunteers to take a memory test. He identifies 4 groups: people who graduated in 1920-1925, in 1940-1945, in 1960-1965, and in 1980-1985. He then analyzes how these groups compare to each other on the tests. Dr. Rand's study is best considered to be an example of:
A) an experiment
B) a cross-sectional study
C) a longitudinal study
D) both a cross-sectional and a longitudinal study
Correct Answer:
Verified
Correct Answer:
Verified
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