A, lasswell (American political scientist)

1. Deeply study political communication and advocate analysis.

2. Propose 5W, and define the research field of communication for the first time.

3. Put forward social communication and discuss the social function of communication from a macro perspective.

Second, Lei Wen (American psychologist)

Group dynamics theory+gatekeeper (proposed by field theory)

Third, lazarsfeld (American sociologist)

1. Two-level communication theory breaks the influence of magic bullet theory on communication.

2. Critically put forward the social function theory of mass communication, and put forward the negative influence on anesthesia function.

Fourth, hovland (American experimental psychologist)

1. Introduce psychological experimental methods into the field of communication.

2. His research explains the conditions and complexity of communication effect.

Shi Lamu —— A Masterpiece of Communication.

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