If people were to start copying the way a newscaster dresses, that would be an example of hierarchical diffusion, which occurs when there is a propagation of a tendency of a person of authority and recognition to other people and places.
When people start to emulate a principle or basis of a resource instead of the exact resource, they are showing an example of stimulus diffusion.
This type of diffusion occurs when an idea is propagated but is adapted and changed by individuals according to the culture and environmental, social and political conditions of a place.
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