COM-B Model

Thinking Tools4.1 Root Causes and the Case for Going BackAlso known as Capability, Opportunity, Motivation, Behavior

Developed by Susan Michie, Maartje M. van Stralen, and Robert West (The Behaviour Change Wheel, 2011).

Explains a behavior as the product of capability, opportunity, and motivation, finds which of the three is lacking, and aims the intervention at that gap.

When to reach for it

When a desired behavior, such as using a new process or system, is not happening and the cause could be skill, circumstance, or will.

How it runs

  1. Define the target behavior precisely.
  2. Assess capability, physical and psychological.
  3. Assess opportunity, physical and social.
  4. Assess motivation, reflective and automatic.
  5. Name the gap that binds.
  6. Design an intervention aimed at that gap.

Where it sits in SOLVE eX

Go to the source

Back to the catalog