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The Decision That Changed Nothing

How to Separate Assumptions from Evidence and Make Better Decisions

Are you preparing for a decision but still unsure what to do? This free guide helps you identify what you know, what you assume, what remains unknown, and what you should check before taking action.

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A Leanpub Community Edition is part or all of a Leanpub book which the authors are providing to you for free, in exchange for you sharing your email address with them. Leanpub is a self-publishing platform, and our Community Edition feature allows authors to make everything from one chapter to the entire book available for free. We don't earn any money from it, and we provide the feature so that authors can offer subsets of their books in exchange for email addresses of possible readers whom they can contact.

Community Edition

The Decision That Changed Nothing
This book is 100% completeLast updated on 2026-10-13


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A better decision begins with knowing what you can verify, what you are assuming, and what you still need to find out.

What's included in the Community Edition

This free eight-page guide includes:

  • A simple introduction to the difference between facts, assumptions, and unknowns.
  • A six-step process for reviewing a decision.
  • A practical worksheet with questions to help organise your thinking.
  • Three reflection questions to help you examine past decisions.
  • A note on the limits of the method and the importance of careful judgement.

The guide is designed for independent use. You do not need to purchase the full book to use it.

If you want to explore the subject further, The Decision That Changed Nothing: How to Separate Assumptions from Evidence and Make Better Decisions develops the same central idea through a fictional story and a more detailed decision-review method.

About the Community Edition

Before You Decide: A Short Guide to Assumptions and Evidence

This free practical guide introduces a simple way to examine a decision before acting on it. Learn to separate facts from assumptions, identify important unknowns, and choose a useful test before committing to a plan.

Use this guide on its own or alongside The Decision That Changed Nothing by Nabal Kishore Pande.