Record your big decisions before you know the outcome so you can learn what actually drives your judgment.
Productivity TemplatesPDF · 6 pages· v1.0
4.7A structured journal and method for recording important decisions at the moment you make them, capturing your reasoning, expectations, and emotional state, so that when the outcome arrives you can review whether your thinking was sound rather than rewriting history. We are terrible at learning from our own decisions because of hindsight bias: once we know how things turned out, we misremember what we expected and what we knew. A decision journal defeats this by freezing your reasoning in writing before the result is known. This guide gives you a per-decision entry format covering the decision, the situation, your expected outcomes with rough probabilities, the alternatives you weighed, and how you felt, plus a review ritual you run weeks or months later to score your process honestly. It is written for founders, investors, managers, and anyone who makes consequential calls and wants to get measurably better at it over time. It needs only a notebook or a notes app. The outcome is a growing record that lets you separate good decisions from good luck and bad decisions from bad luck — the distinction most people never learn to make. Over a year of entries you start to see your real patterns: where you are overconfident, which fears mislead you, and which kinds of calls you actually get right.
No — only consequential ones you would want to learn from: a hire, a big purchase, a strategic bet, a relationship choice. Routine daily decisions are noise. Aim for the handful per month that actually matter.
Emotional state is a hidden input to judgment. Recording that you were anxious, rushed, or excited lets you later spot whether certain states reliably distort your calls. It is data, not therapy.
A good decision can have a bad outcome (and vice versa) due to luck. You score the quality of your reasoning given what you knew at the time, separately from how it turned out. This is the core skill the journal builds.
A regular journal records events and feelings. A decision journal has a fixed analytical structure aimed at one thing: improving your future judgment by capturing your reasoning before the result contaminates your memory.
Read the full refund policy and trust & safety terms.