Coaching practices for Bayesian Thinking

Describe almost anything you are working through and IX Coach finds the practices whose real-world fit is closest. For Bayesian Thinking, these are the strongest matches in the current practice library.

Does this sound like the set of challenges you might be facing?

  • One thing happened that fits what I suspected and now I’m treating it as settled
  • One new fact came in and I swung from sure-it’s-fine to sure-it’s-a-disaster in a heartbeat
  • My whole mind flips between "I don’t know enough to move" and "okay now I finally know enough" with nothing in between
  • When something confirms what I already think I swallow it whole, and when something contradicts me I poke holes until it disappears
  • I keep saying I’m certain about this, but the second I imagine actually putting real money on it I get this twist of hesitation

Practices that may help

  1. Bayesian Thinking: How to Update Beliefs Rationally
    Bayesian thinking is the practice of holding beliefs as probabilities and updating them systematically when new evidence arrives — rather than treating beliefs as simply true or false. The mathematical framework is well established; the challenge is building the habits of explicit probability estimation and honest belief updating that make it practical.
  2. Update beliefs by degrees, not wholesale
    Treat new information as evidence that shifts probabilities, not as proof that changes everything.
    Base-Rate Neglect: Why We Ignore the Odds
  3. Update beliefs incrementally, not all at once
    New evidence should shift your probability somewhat — rarely from 5% to 95% in one step.
    Bayesian Thinking: How to Update Beliefs Rationally
  4. Update incrementally as evidence arrives rather than waiting for certainty
    State your current best-guess probability, identify what would shift it, and update when that evidence arrives.
    Ambiguity Aversion — Why Unknown Odds Feel Worse Than Bad Odds
  5. Update beliefs explicitly when new information arrives
    Treat new information as a reason to state a revised probability, not as confirmation of the old one.
    Thinking in Bets
  6. Translate beliefs into bets to reveal your true confidence
    Would you bet $100 on that belief at even odds? The answer often reveals the gap between claimed and actual confidence.
    Bayesian Thinking: How to Update Beliefs Rationally
  7. Use reference classes to ground personal estimates in base rates
    Before estimating how your situation will unfold, find similar past situations and check what happened.
    Bayesian Thinking: How to Update Beliefs Rationally
  8. Thinking in Bets
    Annie Duke's thinking in bets framework treats decisions as bets with uncertain outcomes, separating the quality of the decision from the quality of the outcome. Most real decisions involve incomplete information, so good decision-making is about process and probability, not about being right every time. The core skill is evaluating decisions on the information available at the time, not on how they turned out.
  9. Actively seek evidence that would disconfirm your belief
    Ask: "What would change my mind?" and then look for exactly that.
    Bayesian Thinking: How to Update Beliefs Rationally
  10. State your prior probability before seeing the evidence
    Before looking at any data, commit to a numerical estimate of how likely something is.
    Bayesian Thinking: How to Update Beliefs Rationally

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