The best example of cascade (or hierarchical)diffusion is the spread of
A) fashion across the world's major urban centers.
B) an agricultural innovation across a farming region.
C) a disease from one side of a country to the other.
D) a rumour across a university campus.
E) a cold from one person to another.

Question

Quizplus · Accepted Answer

Cascade diffusion refers to the spread of a cultural trend or innovation from one key person or node of authority or power to other persons or places. Fashion trends often start in major urban centers, which are key nodes of cultural and economic power, and then spread to other parts of the world, making this the best example of cascade diffusion.

The Best Example of Cascade (Or Hierarchical)diffusion Is the Spread