Objective : Distinguish between the different types of diffusion with examples of each.
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Transcript of Objective : Distinguish between the different types of diffusion with examples of each.
Diffusion
Objective: Distinguish between the different types of diffusion with
examples of each
What is diffusion?
The process by which an idea, object or innovation is transmitted across space… usually from one culture to another
Relocation- spread of an idea through the physical movement of people from one place to another
Expansion- The spread of a feature from one place to another in a snowball process
Two kinds
Immigration/Migration
Business/International Trade
Causes of relocation diffusion
Types of Expansion Diffusion
Hierarchical
Cause: expansion from a person or
node of authority or power
Examples: urban to rural; a law is
passed; popular icon does
something good or bad
Contagious
Cause: expansion catches on quickly and is hard to stop
Examples: flu epidemic of 1918,
AIDS in Africa, AIDS treatment in the US
Stimulus
Cause: the underlying principle
expands specific characteristics do
not
Examples: the MacIntosh mouse
What type of diffusion are each of the following?
What makes expansion diffusion
more likely now than in the past?