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Everett M. "Ev" Rogers (March 6, 1931 – October 21, 2004) was an American communication theorist and sociologist, who originated the diffusion of innovations theory and introduced the term early adopter.
Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread. The theory was popularized by Everett Rogers in his book Diffusion of Innovations , first published in 1962. [ 1 ]
The sociological theory of diffusion is the study of the diffusion of innovations throughout social groups and organizations. The topic has seen rapid growth since the 1990s, reflecting curiosity about the process of social change and "fueled by interest in institutional arguments and in network and dynamic analysis."
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.
Download as PDF; Printable version; ... A variant of the diffusion theory, ... Computer-mediated communication (CMC) is the process of sending messages—primarily ...
The theory in Singhal's opinion does not want one "to wait" for diffusion of a new innovation to reach the poorest of the poor (often regarded as late adopters), and believes that the rate of adoption by any segment can be accelerated using communication and outreach strategies.
Initially developed after World War II as a tool for diffusion of ideas, communication initiatives primarily involved a one-way transmission of information from the sender to the receiver. This includes large-scale media campaigns, social marketing, dissemination of printed materials, and ' education-entertainment '.
Expansion diffusion: an innovation or idea that develops in a source area and remains strong there, while also spreading outward to other areas. This can include hierarchical, stimulus, and contagious diffusion. Relocation diffusion: an idea or innovation that migrates into new areas, leaving behind its origin or source of the cultural trait.