(Solved) Debbie realizes that her twin brother Dudley breaks out in hives every time he eats oysters, and ...

Question 1.

Tatiana observes that all of her friends who have more than five tattoos also have more than five body piercings, and concludes that getting multiple tattoos makes people also get multiple piercings. Tatiana is

▸ correct in her analysis.

▸ confusing correlation and causation.

▸ describing difference-in-differences.

▸ describing regression discontinuity.

Question 2.

Debbie realizes that her twin brother Dudley breaks out in hives every time he eats oysters, and concludes that when Dudley feels a case of hives coming on, he must get a craving for oysters. Debbie is

▸ definitely confusing correlation with causation.

▸ very probably correct in her conclusion that Dudley craves oysters whenever he is about to break out in hives.

▸ likely correct that there is causation, but the causation is more likely running in the opposite direction in that eating oysters is the probable cause of Dudley's hives.

▸ probably misguided in that there is no apparent correlation or causation in this situation.

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Debbie realizes that her twin brother Dudley breaks out in hives every time he eats oysters, and ...

Principles of Economics

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