LOGICAL REASONING: Correlation Does Not Equal Causation

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If you’ve been studying for the LSAT for very long, you’ve encountered the old correlation-causation issue: just because two things are correlated (say, use of umbrellas and rain) doesn’t mean one is causing the other (the umbrella is causing the rain?). Correlation simply means that as one “thing” changes, so does another “thing”.  I stumbled on a TED talk this week that I think presents the issue in clear (and meaningful–to your health) terms. It’s also an interesting lesson in medical research and reporting. If you have a few minutes, give it a watch.