Multiple Choice
A friend wants to explore age differences in happiness for her Ph.D. thesis. She should MOST likely conduct a:
A) cross-sectional study, because it will allow her to find out which people get happier over time.
B) cross-sectional study, because it will demand less time than other types of studies.
C) longitudinal study, because it will be more accurate than other types of studies.
D) longitudinal study, because it is easier to carry out than other types of studies.
Correct Answer:

Verified
Correct Answer:
Verified
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