Multiple Choice
What is the "third-variable problem"?
A) When a researcher measures so many variables that it's difficult to make sense of the data.
B) When a research considers only one direction of causation between two variables that are strongly correlated.
C) When a researcher measures variables that are not relevant to the relationship he or she is most interested in.
D) When a researcher fails to consider that two variables may be correlated due only to the effects of some unmeasured third variable.
Correct Answer:

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Correct Answer:
Verified
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