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Four Types of Diffusion

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Carly Taylor

on 8 September 2014

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Transcript of Four Types of Diffusion

Diffusion is the process by which a characteristic spreads across space from one place to another. There are four main types of diffusion: relocation, hierarchical, contagious, and stimulus, each of which facilitates the spread of culture in different ways.
Four Types of Diffusion
Hierarchical Diffusion
Hierarchical diffusion is the spread of an idea from persons or nodes of authority or power to other persons or places. This type of diffusion can help us explain how people and places in high positions can affect the rest of the population.
Contagious Diffusion
Contagious diffusion is the rapid, widespread diffusion of a characteristic throughout a population. This type of diffusion helps us understand how a characteristic can very quickly spread without people actually relocation.

Stimulus Diffusion
Stimulus Diffusion is the spread of an underlying principle, even though the characteristic itself fails to diffuse. As the characteristic spreads, it is a given a new from by each group is reaches. This helps us explain how different societies have the some of the same globalized characteristics, but with a local spin put on them.
Relocation Diffusion
Relocation diffusion is the spread of an idea through physical movement of people from one place to another. This type of diffusion can help explain how aspects of culture such as language and religion have spread as people have spread throughout an area.


By Carly Taylor and Sydney Ginter
Map of the Spread of Christianity
Examples:
The Spanish language has spread throughout the United States through people immigrating here from Central and South America, so much so that we can now be considered a Spanish-speaking nation.
Christianity spread throughout the Americas when European settlers moved here.
Pizza was brought to the United States by Italian immigrants in the late 19th century, and now it is a staple of the American diet.
Examples:
The diffusion of hip-hop/rap music from urban areas out to the general public.
Fashion trends spread from more socially elite people and places out into the general public.
Examples:
The Black Death, aka the Bubonic Plague, was the worst pandemic in human history. It spread just by people to people contact from Asia all the way to Europe and killed an estimated 75 to 200 million people.
The ideas shared on the internet can spread through contagious diffusion because nearly everyone, every place on earth, has access to them all at once.
Examples:
McDonald's in India has been customized to the culture of that area. People who are Hindu do not eat beef, so the restaurants there serve many vegetarian options as well as chicken and other non-beef meats.
The Cherokee writing system was invented by Sequoya after he saw English writing. The English spread the underlying principle of written language to the Cherokee, but the Cherokee made it their own by adopting it to their own language.
The diffusion of iced tea in throughout the southern region of the U.S. was modified by Southerners into sweet tea to suit their culture's taste.
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