Diagnostic question · Hooked
Does use reach non-users?
Checks whether normal use delivers value to people who don't use the product yet, the strongest relationship trigger.
DiscoverSpread
Plain label: relationship trigger question
When someone uses your product, does it deliver something useful to people who don't use it yet?
Limits
What we don’t claim
- The Hook Model is a practical design tool, not a validated or complete theory of behavior.Hooked, Introduction
Sources
Hooked · Nir Eyal
Ch.2
Source IDs: HK-Q30HK-TRG08
Book content is paraphrased, never quoted at length. Last verified October 24, 2026.
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