T The Useful Margin
Decision Records

Decision Records

A decision log preserves the reasoning that memory quietly edits after the outcome becomes obvious. These guides capture just enough context to review a choice without requiring a personal historian on staff.

Decision Records

How to Keep a Decision Log You Will Reuse

Keep a useful decision log by recording the decision date, context, alternatives, choice, reasons, assumptions, expected result, owner, and a review date.

4 min · 2026-07-19
Decision Records

How to Write a Project Closeout Note

A project closeout note should record the intended result, actual result, important variance, reusable lessons, final artifact locations and any open work…

7 min · 2026-09-05
Decision Records

How to Update a Decision Log Without Losing History

Update a decision log by distinguishing a factual correction, an outcome note, and a changed decision. Date the addition and explain what changed.

7 min · 2026-09-09
Decision Records

Weighted Decision Matrix Example: Show Your Tradeoffs

A weighted decision matrix compares options against defined preferences: give each criterion an importance weight, rate each eligible option, multiply…

6 min · 2026-09-10