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The Logic of Causal Conclusions: How we know that fire burns, fertilizer helps plants grow, and vaccines prevent disease

I usually cringe when I read a comment by a skeptic arguing that “correlation does not prove causation”. Of course, it’s true that correlation does not prove causation. It’s even true that correlation does not always imply causation. There are many great examples of spurious correlations which demonstrate clearly just how silly it is to extrapolate cause from correlation. And

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Wrap Your Brain Around Monty Hall

NOTE: this post also appears on the wonderful site about crazy coincidence, theoddsmustbecrazy.com.

Monty Hall

Monty Hall

I have always been amused and intrigued by responses to “The Monty Hall Problem”, especially when I talk about it to audiences with a high concentration of engineers and mathematicians. If you are familiar with it, but you’ve always struggled with an unsettled feeling

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