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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.
Mass communication began when humans could transmit messages from a single source to multiple receivers. Mass communication has moved from theories including the hypodermic needle model (or magic bullet theory) to more modern theories such as computer-mediated communication. [citation needed]
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 communication skills required for successful communication are different for source and receiver. For the source, this includes the ability to express oneself or to encode the message in an accessible way. [8] Communication starts with a specific purpose and encoding skills are necessary to express this purpose in the form of a message.
This makes the process more complicated since each participant acts both as sender and receiver. For many forms of communication, feedback is of vital importance, for example, to assess the effect of the communication on the audience. [17] [12] However, it does not carry the same weight in the case of mass communication. Some theorists argue ...
Theory can be seen as a way to map the world and make it navigable; communication theory gives us tools to answer empirical, conceptual, or practical communication questions. [1] Communication is defined in both commonsense and specialized ways. Communication theory emphasizes its symbolic and social process aspects as seen from two ...
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 ...
The People's Choice, a book based on this study presented the theory of "the two-step flow of communications", which later came to be associated with the so-called "limited effects model" of mass media: the idea that ideas often flow from radio and print to local "opinion leaders" who in turn pass them on to those with more limited political ...