Psychology is important since ultimately, it's the individual’s decision to be active
BUT decisions aren’t made in a vacuum
From external sources
Social (support ot pressure, whānau)
How influence you to be PA
Physical Environments (built)
What’s around you & how influence
Policy (on outside)
Government, local council, an organisation
eg cycle lanes, active transports policies
Nor are they automatically influenced by external factors
But may come into play or influence PA