Mark just bought a brand-new Subaru hybrid after driving a twenty-year-old car for a long time. He is really impressed with his new car and takes every opportunity to drive his friends around in it. Over the next year, three of his friends buy new Subarus and three others are seriously considering doing so. Which concept best describes what is happening in Mark's network?

Question

Quizplus · Accepted Answer

Contagion refers to the spread of behavior or attitudes within a network. In this case, Mark's enthusiasm for his new Subaru is spreading to his friends, who are either buying Subarus themselves or seriously considering doing so. This suggests that a kind of contagion effect is happening in Mark's network.

Mark Just Bought a Brand-New Subaru Hybrid After Driving a Twenty-Year-Old