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Decision Journal

A one-page decision record in the spirit of Annie Duke and Farnam Street. You fill the top half the moment you decide — the call itself, the situation, what you expect to happen, how confident you are on a 0–100 gauge, the assumptions that must hold, and the signals that would tell you you were wrong. The bottom half stays blank on purpose: a panel for a future you to record what actually happened and score whether it was a good decision, regardless of how it turned out. Capturing your reasoning before the result is in is the simplest cure for hindsight bias — your past self, on the record. Leave any line blank to fill in by hand.

Best for: Getting honest about your judgment over time — so you can tell a good decision from a lucky one.
Badge: Composed

A still life that evokes the Decision Journal

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Composed printable

Decide now, score later.

Write down a decision the moment you make it — what you expect, how sure you are, and what would tell you you're wrong. Then leave the bottom half blank. When the result is in, come back and score it — judging the call you made, not the luck you got. It's the simplest cure for hindsight bias: your past self, on the record, before you knew how it turned out.

How it works

Name the call — one decision, in a sentence, with a date to revisit it.
Log your thinking — the situation, what you expect, your confidence, and your assumptions.
Mark the tripwires — the signals that would tell you the call was wrong.
Come back and score — was it a good decision, regardless of how it turned out?

Portrait, one page. Leave any line blank to fill in by hand.

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