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Melvin Lawrence DeFleur was born in Portland, Oregon on April 27, 1923. DeFleur received his Ph.D. in social psychology from the University of Washington in 1954. His thesis, Experimental studies of stimulus response relationships in leaflet communication, drew from sociology, psychology, and communication, to study how information diffused through American communities.
Through mass communication, information can be transmitted quickly to many people who do not necessarily live near the source. Mass communication is practiced through various channels known as mediums, which include radio, television, social networking, billboards, newspapers, magazines, books, film, and the Internet. In this modern era, mass ...
The knowledge gap hypothesis is a mass communication theory based on how a member in society processes information from mass media differently based on education level and socioeconomic status (SES). The gap in knowledge exists because a member of society with higher socioeconomic status has access to higher education and technology whereas a ...
Influenced strongly by hermeneutics, he studies communication and its uses, and links it closely with social context. Other key concepts are the transformation of visibility, the media and tradition, and identity and the symbolic project. His book Ideology and Modern Culture is a study of what the theory of ideology entails in modern society.
The sixth and seventh media, Internet and mobile phones, are often referred to collectively as digital media; and the fourth and fifth, radio and TV, as broadcast media. Some argue that video games have developed into a distinct mass form of media. [7] While a telephone is a two-way communication device, mass media communicates to a large group.
Narcotizing dysfunction is a theory that as mass media inundates people on a particular issue, they become apathetic to it, substituting knowledge for action. [1] It is suggested that the vast supply of communication Americans receive may elicit only a superficial concern with the problems of society.
Spiral of silence illustrated in Spanish. The spiral of silence theory is a political science and mass communication theory which states that an individual's perception of the distribution of public opinion influences that individual's willingness to express their own opinions.
Uses and gratifications theory was developed from a number of prior communication theories and research conducted by fellow theorists. The theory has a heuristic value because it gives communication scholars a "perspective through which a number of ideas and theories about media choice, consumption, and even impact can be viewed".