Fogg Behavior Model

The Fogg Behavior Model shows that three elements must converge at the same moment for a behavior to occur: Motivation, Ability, and a Prompt. When a behavior does not occur, at least one of those three elements is missing.

The videos below describe how these elements function on the model.

The video below is about how motivation changes over time.

How Motivation Changes Over Time

The video below is about competing motivations.

Competing Motivations

The video below is about how motivation and ability change when you start tiny.

How Motivation and Ability Change When You Start Tiny

The video below is about how simplicity changes behavior.

How Simplicity Changes Behavior

The video below shows how the Fogg Behavior Model applies to groups.

How the Fogg Behavior Model Applies to Groups

To learn many practical uses of my Behavior Model, you can join my training in Behavior Design.” This hands-on training is for professionals who want to create products that change people’s behavior for the better.

Over 90% of people who join me report (in an anonymous survey) that my Boot Camp was the best training experience of their careers.

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The Fogg Behavior Model is part of a larger system that helps people design for behavior change. To see my related work (and a lot more), go to