"Improving decision quality is about increasing our chances of good outcomes, not guaranteeing them."
Annie Duke is a former professional poker player who won more than $4 million in tournament earnings, including a World Series of Poker bracelet, before retiring to write and consult on decision-making. She began a PhD in cognitive psychology at the University of Pennsylvania before leaving academia to play poker professionally, and now runs a decision-strategy consultancy that applies poker's probabilistic thinking to business and life.
Our in-depth summaries and reviews of his work
Annie Duke's poker-inspired framework for separating decision quality from outcome quality, expressing beliefs as probabilities, and building truthseeking groups.
Read Summary →We judge decisions by their outcomes instead of their quality — a bad decision that got lucky feels smart, and a good decision that got unlucky feels dumb. Separating decision quality from outcome quality is the book's central skill.
Replace 'I'm sure' and 'I don't know' with a probability: 'I'm 70% confident.' Betting language forces honest self-assessment and makes it easier to update when new information arrives.
Surrounding yourself with people who hold you accountable for the quality of your reasoning — not just whether you 'won' — protects against motivated reasoning and groupthink.
"In most of our decisions, we are not betting against another person. Rather, we are betting against all the future versions of ourselves that we are not choosing."— Thinking in Bets
"Thinking in bets starts with recognizing that there are exactly two things that determine how our lives turn out: the quality of our decisions and luck."— Thinking in Bets
"Despite the popular wisdom that we achieve success through positive visualization, it turns out that incorporating negative visualization makes us more likely to achieve our goals."— Thinking in Bets
"Chess, for all its strategic complexity, isn't a great model for decision-making in life, where most of our decisions involve hidden information and a much greater influence of luck."— Thinking in Bets
Annie Duke's poker-inspired framework for separating decision quality from outcome quality, expressing beliefs as probabilities, and building truthseeking groups.
