Three necessary elements must be present for a behaviour to occur: Motivation, Ability, Trigger — and understanding this is fundamental to understanding how to change behaviour. That’s according to B.J. Fogg and his team at the Stanford Persuasive Tech Lab, as described by their Behaviour Model.
To make behaviour change easier the team identified the fifteen ways that behaviour can be changed, described each with precision, and related them to a specific “psychology”. Together this information became the Behaviour Grid: