Put a Product Change on One Page With Its Evidence

The Product Evidence Brief

Companion to You Are Not the User · Updated 2026-09-29

Use this when anyone proposes a product change; the brief travels with the proposal and fits on one page. Worked in “Label the Evidence Before You Argue About It.”

The Product Evidence Brief.

FieldEntry
The claim about users
Which user role
User Evidence Ladder level, with the evidence itself
UAT Distance of any test
What evidence is missing
What result would change our mind
The smallest test that would raise the evidence one level
The decision requested

A brief that can’t name a user role or a result that would change anyone’s mind is an opinion on a form. Send it back before the meeting, not during it.