objective : distinguish between the different types of diffusion with examples of each
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Diffusion
Objective: Distinguish between the different types of diffusion with
examples of each
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What is diffusion?
The process by which an idea, object or innovation is transmitted across space… usually from one culture to another
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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
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Immigration/Migration
Business/International Trade
Causes of relocation diffusion
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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
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What type of diffusion are each of the following?
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What makes expansion diffusion
more likely now than in the past?