NCSI Talks


Rumor Mill

Shodor > NCSI Talks > Vensim > Rumor Mill

Rumor Mill Model

What is this model?

This is a system model of the spread of a rumor throughout a population. The model tracks the number of different types of people within the population: gullibles, rumor mongerers, and loyalists. Parameters in the model - including spreading probability and rationality rate - determine the number of each type of individual in the population over time. When the model is run a graph is produced depicting the change in number of people who are gullibles, rumor mongerers, and loyalists over time.

What can this Model be used to teach?

  • Understand the relationship between the gullibles, rumor mongerers, and the loyalists
  • Understand the effect of each parameter on the populations over time
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