A Modern Guide to Thinking, Fast and Slow

Daniel Kahneman’s Thinking, Fast and Slow introduced a broad audience to cognitive biases and heuristics, and encouraged readers to reflect on their own thinking. Since the book’s publication in 2011, however, science has faced what’s now called the replication crisis. Across fields, many famous findings have failed to reproduce. Among them are some of the studies featured in Thinking, Fast and Slow.

Thinking, Fast and Slow remains a valuable book on human judgment, but it should be read with caution. I wrote this guide to help. It highlights which findings are robust and which have failed to replicate. I didn’t look into every single study Kahneman cites in the book, but I focused on the core studies used to support the book’s main concepts.

It is meant as a companion to read alongside the book.

1. Part I: Two Systems
2. Part II: Heuristics and Biases
3. Part III: Overconfidence
4. Part IV: Choices
5. Part V: Two Selves

Note: I welcome corrections or suggestions for additions.

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