Thinking Fast and Slow by Daniel Kahneman


Thinking Fast and Slow cover

Those interested in recent developments in cognitive science, behavioral economics, and books by Nobel Prize winners will appreciate this book summary. I’ve boiled down a nearly 500 page book to sixteen pages! It was hard going since I’m a novice in these fields but I want to think clearly and that’s the theme of this book. Kahneman identifies over 40 biases we bring to our decisions that will trip us up if we’re not aware of them. (7/4/17 NOTE: Alert reader Luc found an error regarding the Peak End heuristic. It’s now been corrected. Thank you, Luc).

Click here for a free summary of Thinking Fast and Slow Book Summary


12 thoughts on “Thinking Fast and Slow by Daniel Kahneman

  1. Started to read Think fast.. But i make notes and it was taking way too long.
    Thanks for a perfect summary and for helping me to learn how to write a more usable summary.
    I hope to have time to read the whole book later.
    Thanks again, Wm. In Vancouver

    Liked by 1 person

  2. Erik, My name is Mandar Marathe and I am an artist. I have started to visually summarize concepts, ideas, books, and things like that. “Thinking, fast….” is one of such books. I am reading it and doing sketches based on the concepts in there. I am posting my visual summary (sketch) of chapter 1 on my website/blog and referring your summary document for the text part of my post (as I am not a good textual summarizer). Hope this is fine as I am linking your site there. Let me know if that fine with you.
    Thanks for the nice summary!


  3. Thanks Eric. Great and informative summary. Thanks! For those who like F/S, I recommend Michael Lewis’s “The Undoing Project” which provides the evolution of Daniel Kahneman and Amos Tversky’s work together that resulted in F/S. Great story. Also, my new book, “Challenge Your Assumptions, Change Your World” is written for system 1 thinkers who tend not to invest in system 2 as much as they like.


  4. ajlewis2

    Thanks for the summary, Erik. I’m listening to the audiobook and am happy I went with that format, because it allows me to glaze over and zone out as needed. There is so very much in this book and getting my small amount of understanding is enough. Your summary will be a good source for me. I can reflect on what I actually did understand and maybe go back to the written book to reread what I missed, but may wish to understand. I am reading this book before reading Michael Lewis’ _The Undoing Project_ because a friend told me that Lewis makes reference to Kahneman. Hopefully the Lewis book will be an easier read.


    • Thanks, AJLEWIS2. I haven’t read the Undoing Project but I’ve listened to Youtube videos of Kahneman who is brilliant. His friendship with Tversky was transformational and I have heard good things about their friendship. Thanks for making a comment on my site. Thinking Fast and Slow was a tough read but breaking it down into bite size pieces helped me get the gist. Glad my summary was of help. Now to practice it and think slower! 🙂

      Liked by 1 person

  5. Luc

    Thanks for your summary. It is very nice and clear!
    I would like to point out one significant mistake I found. You described the Peak-end rule with people remembering the end, rather than the peak (worst/best moment). This is wrong. The peak-end rule says that people remember not the whole experience, but mainly the peak AND the end. It would be very nice if you could change this in your summary, because it’s a nice and applicable rule that people should remember correctly.
    Thanks for your work, again!


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