This is Ligonier's friendly neighborhood blog and an attempt to recapture our lively opinionated debates in a free speech zone.

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Saturday, July 20, 2013

sample biases

I was chatting recently with my husband about the term "sample bias" and loved his clear description of one: "It's when someone says, for example, "We studied 8 brand-new cars for a year, and found no rust on any of them... ." Doesn't mean they won't rust, does it?