Can you log test assignment?

• Diagnostic question

  How customers pay

  revenue model question

  Finds the revenue model, which decides whether paying should wait for a habit or is itself the value event.

• Diagnostic question

  Weekly sign-ups or orders

  traffic volume question

  Sizes the traffic at the step that matters, which decides whether a standard A/B test can read in time or small-sample designs apply.

• Diagnostic question

  How often a devoted user should come back

  devoted cadence question

  Sets a realistic devoted-user frequency from typical loyal users, never extreme ones, which every habit metric is measured against.

• Diagnostic question

  How much better than the alternative

  perceived utility question

  Rates perceived utility against the best alternative, the second axis of the Habit Zone placement.

• Diagnostic question

  Does the business need a habit?

  business fit question

  Checks whether the business needs unprompted repeat use or grows through trust and referrals on occasional purchases.

• Diagnostic question

  The key action at each stage

  desired actions question

  Names the one action wanted from users at each lifecycle stage, so every lens rates the right behavior.

Sources

Book content is paraphrased, never quoted at length. Last verified October 24, 2026.