-Results: The 5W theory was founded, and five basic elements of communication process were put forward for the first time. These five W's are the first letters of five interrogative pronouns in English, that is, who said what to whom on which channel and what the effect was.
2. Kurt Lewin (1890- 1947) is a German-American psychologist, the founder of topological psychology, the pioneer of experimental social psychology, the late representative of gestalt psychology and one of the founders of communication.
Achievements: Enriched the content of Gestalt Psychology, established experimental social psychology, and promoted the development of social cognitive theory.
3. Lazarsfeld (Lazarsfeld, Paul Felix, 190 1 ~ 1976), an Austrian-American, is a famous sociologist. Graduated from the University of Vienna, and successively obtained doctorates in philosophy, humanities and law.
Achievements: He put forward the "two-level communication theory" (later developed into the "multi-level communication" theory), which opened the way for the study of communication effect and communication mechanism. He also put forward some influential concepts, such as "the role of existing political tendencies", selective exposure mechanism and opinion leaders. Lazarsfeld has made great contributions to research methods and is known as the "tool maker" of communication science.
By constantly improving sampling survey techniques and quantitative analysis methods, he won the respect of communication in other sciences. His representative works include Communication and Personal Influence: Personal Role in Mass Communication.
4. carl hovland (carl hovland, 19 12-1912),1912 was born in Chicago, USA, and 1936 received a doctorate from Yale University.
Results: First, on the basis of persuading scholars such as Peterson and Thurs to spread, the method of psychological control experiment was applied to the study of communication effect. Secondly, his research on military educational films not only proves Cantril's point of view from one side, but also provides more valuable evidence for breaking the myth of "Magic Bomb Theory". Thirdly, he noticed many factors that affect the persuasion effect, especially the persuader and the sender of information, and put forward a series of valuable suggestions to improve the persuasion effect, which laid the foundation for "persuasion", an important topic of contemporary communication.
Communication: It is a science to study the occurrence and development of all human communication behaviors and processes, and the relationship between communication and people and society. In short, communication is a subject that studies how human beings use symbols to communicate social information. Communication is also called communication, communication and so on.