Costanza comments on Secure Your Beliefs - Less Wrong

40 Post author: lukeprog 12 February 2011 04:53PM

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Comment author: Costanza 15 February 2011 12:56:08AM *  2 points [-]

Starting on page 114 of his book about randomness, The Drunkard's Walk, Physicist Leonard Mlodinow tells a real-life story about being told by his doctor that the results of a blood test showed that there was a 999 out of 1,000 chance he had AIDS and would be "dead within a decade." Mlodinow (who did not have AIDS) uses this as an introduction to Bayes' Theorem. His doctor had made exactly the error described in An Intuitive Explanation of Bayes' Theorem.

Comment author: Eliezer_Yudkowsky 15 February 2011 01:52:43AM 3 points [-]

Well, to be precise, the Intuitive Explanation describes exactly this error, previously found to have been made by doctors.

Comment author: Jonathan_Graehl 16 February 2011 08:53:27AM 1 point [-]

You're objecting that this particular instance wasn't described in IEBT, but rather its class was? Otherwise I'm not sure what distinction you're drawing. Or am I missing an edit by the parent?

Comment author: Eliezer_Yudkowsky 16 February 2011 03:33:50PM 1 point [-]

I'm saying that the doctors are the original and IEBT is the copy, not the other way around.