He Lasswell model is a communication model proposed in 1948 by Harold Lasswell, professor at Yale University. This model tries to define the communication by focusing on the following variables: who has communicated, what said, by what channel has been communicated, who has been addressed and what result produced the communication.

This model is about process of communication and its function to society, According to Lasswell there are three functions for communication: Surveillance of the environment Correlation of components of society Cultural transmission between generation Lasswell model suggests the message flow in a multicultural society with multiple audiences.

Though Lasswell’s model was developed to analyze mass communication, this model is used for interpersonal communication or group communication to be disseminated message to various groups in various situations. Lasswell’s model was developed to study the media propaganda of countries and businesses at that time.