Saturday, January 3, 2015

Survivor Bias

http://youarenotsosmart.com/the-book/
Survivorship bias in a nutshell: If you look at a profession and think: "Wow, that is full of the most skillful, smart, dynamic and interesting people I've ever seen!", should you join that profession or avoid it? David McRaney says, "not so fast." The same thinking applies to aspiring actresses, WWII bombers and businesses.

Before you emulate the history of a famous company, Kahneman says, you should imagine going back in time when that company was just getting by and ask yourself if the outcome of its decisions were in any way predictable. If not, you are probably seeing patterns in hindsight where there was only chaos in the moment.

BTW, this is just one post. McRaney's blog (You Are Not So Smart) is full of long, interesting, thoughtful posts on how people think. He loves the counter-intuitive.

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