Fooled by your coach

Is she really a good coach or did she just win a lot of games?

Is he really a bad coach, or did he just lose a lot of games?

The two metrics aren’t necessarily the same, and in some cases they’re widely different measurements.  Correlation doesn’t imply causation.

Athletes frequently tell me about who they train with over the summer. The answers invariably involve name-dropping: “My trainer works with [such-and-such] NFL player.” … “He used to be the strength and conditioning coach for the Atlanta Braves.”

The irony is that professional athletes will be excellent regardless of whom they train with. That a coach trains a professional athlete is great, but it doesn’t tell you anything else.

Be careful what you choose to believe. Happy April Fools’ Day.

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