Notes on Thinking, Fast and Slow: Chili Davis

I got a Kindle today, and one of the first books I bought was Thinking, Fast and Slow by Daniel Kahneman. I don’t think I’ve ever looked forward to a book more than this one, a summary of how the human mind works by the leading scientist in the field. I plan on making some notes on this book as I read it.

Here’s the first one. Yesterday, I wrote this on Twitter, about the Oakland A’s hiring of Chili Davis as their new hitting coach.

I approve of Chili Davis as A’s hitting coach, since I liked him as a player & I have no other way to know what makes a good hitting coach.

Right in the very first chapter, Kahneman discusses this kind of mental error. He describes an executive who decides to buy Ford stock because he likes Ford cars. He doesn’t take into consideration at all whether the stock is currently priced correctly.

The executive’s decision would today be described as an example of the affect heuristic, where judgments and decisions are guided directly by feelings of liking and disliking, with little deliberation or reasoning.

Kahneman goes on to explain that when we lack the skills to answer a question, what we often do is answer a different question instead. I don’t have the skills or knowledge to know whether Chili Davis would be a good hitting coach. But I know the answers to some other similar questions. Was Chili Davis a good hitter? Yes! Was Chili Davis a likable player? Yes!

So my mind naturally decides to substitute the answers for the questions I can answer for the question I can’t. And the odd thing is, we often don’t notice ourselves that we’ve performed this question substitution, so we often feel very confident in our answers, without just cause.

I feel very happy about the choice of Chili Davis as the A’s hitting coach. I feel quite confident that he will do a great job. Logically, I know that this is just a kind of cognitive illusion. But knowing how the trick works doesn’t seem to make the trick stop working. I still feel happy and confident about Chili Davis as the A’s hitting coach.

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