About this source
A practical guide to building habit-forming products using the four-step Hook Model: trigger, action, variable reward, and investment. Draws on behavioral psychology, neuroscience, and case studies from tech companies.
Frameworks extracted
7 totalSTRmonths
The Investment Phase Design Pattern
Get users to store value so they cannot leave without losing something
INNmonths
Habit Testing Process
Three-step method to discover what hooks users and replicate it at scale
ENTdays
The Manipulation Matrix
Four-quadrant ethical test for building habit-forming products
MKTmonths
Variable Reward Design (Tribe, Hunt, Self)
Three reward types that create craving through unpredictable reinforcement
PRODweeks
The Fogg Behavior Model (B=MAT)
Every behavior requires motivation, ability, and a trigger at the same moment
STRweeks
The Habit Zone Framework
Plot frequency against utility to predict if a behavior becomes automatic
MKTmonths
The Hook Model
Four-step cycle that turns products into unbreakable habits