Multiple Choice
When Patrick and Mary Anne first got married they agreed to participate in a research project that investigated the happiness of married couples over time.Every five years they complete a survey that indicates their marital satisfaction.It is evident that Patrick and Mary Anne are:
A) participants in a single-blind study.
B) participants in a longitudinal study.
C) subjects in a control condition.
D) subjects in a cross-sectional study.
Correct Answer:
Verified
Correct Answer:
Verified
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