Overview
Nir Eyal's four-phase cycle for building habit-forming products: Trigger, Action, Variable Reward, Investment.
How to cite
Faster Than Normal. “Hook Mental Model.” fasterthannormal.co/mental-models/hook. Accessed 2026.
Business & Strategy · Nir Eyal
Nir Eyal's four-phase cycle for building habit-forming products: Trigger, Action, Variable Reward, Investment.
Faster Than Normal. “Hook Mental Model.” fasterthannormal.co/mental-models/hook. Accessed 2026.