What habitual users have in common

Limits

What we don’t claim

The Hook Model is a practical design tool, not a validated or complete theory of behavior.Hooked, Introduction
The evidence is correlational until it is tested in your product.

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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
What does a great customer do?
value event question
Finds the value event and how often it should happen.
Diagnostic question
What kind of product this is
archetype question
Places the product in an archetype, which sets default cadences, routes and which stages get emphasis.
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.

Source IDs: HK-Q126HK-MEA04HK-T13

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