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Correlation, Causation, and Confounding
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GMAT
DI.026 Correlation, Causation, and Confounding
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A regression study links more networking events to faster job placement after controlling for major, GPA, and graduation year. Which conclusion is best?
A
The regression proves networking events caused every placement difference.
B
The association is invalid because a regression can only describe experiments.
C
Because controls are included, reverse causation is impossible in all cases.
D
The controls improve the comparison, but unmeasured factors such as motivation or family connections could still confound the association.
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