Research on opinion leaders conducted in the 1940s provide an example of

Answer

Two-step flow model of communication

Explanation

Opinion leadership is a term directly linked to seeking people’s opinions to be able to lead them. Opinion leaders can be people, organizations, think tanks, and social networks. A research on opinion leaders is connected to the Two-step flow model of communication where interpersonal interaction has a bigger effect on shaping the opinion of the public other than mass media. An example of a political opinion leader was Winston Churchill.

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