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Say you were worried about having a heart attack. Which drug would you rather take:
- Magic Drug A: reduces your risk of a heart attack by 50%
- Magic Drug B: reduces your risk of a heart attack by 1%
Presumably, you’d pick Magic Drug A.
But, what if you found out Magic Drug A and Magic Drug B were really the same drug?
Huh? How can that be? It has to do with something Graham Walker, an emergency department physician at Stanford, calls “statistical trickery.” Continue reading