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Media richness theory (MRT), sometimes referred to as information richness theory, is a framework used to describe a communication medium's ability to reproduce the information sent over it. It was introduced by Richard L. Daft and Robert H. Lengel in 1986 as an extension of information processing theory. MRT is used to rank and evaluate the ...
He co-developed media richness theory, with Robert H. Lengel, and is one of the most widely cited scholars in the field of management. [3] He developed and managed the Center for Change Leadership at the Owen Graduate School of Management, Vanderbilt University, where he also served as Associate Dean for Academic Programs.
Hierarchy of Influences. In mass communication, the Hierarchy of Influences, formally known as the Hierarchical Influences Model, is an organized theoretical framework introduced by Pamela Shoemaker & Stephen D. Reese. It comprises five levels of influence on media content from the macro to micro levels: social systems, social institutions ...
The influences of mass media (or 'media effects') are observed in various aspects of human life, from voting behaviors [2] to perceptions of violence, [3][4] from evaluations of scientists [5] to our understanding of others' opinions. [6] The overall influence of mass media has changed drastically over the years, and will continue to do so as ...
Channel expansion theory builds from a variety of theoretical perspectives that address perceptions of media channels. It is developed from media richness theory as studies tested directly using media richness theory have turned out to have confusing results such as e-mail. Media richness varies, according to multiplicity of cues and immediacy ...
Concentration of media ownership, also known as media consolidation or media convergence, is a process wherein fewer individuals or organizations control shares of the mass media. [1] Research in the 1990s and early 2000s suggested then-increasing levels of consolidation, with many media industries already highly concentrated where a few ...
Uses and gratifications theory. Uses and gratifications theory is a communication theory that describes the reasons and means by which people seek out media to meet specific needs. [1][2][3][4][5] The theory postulates that media is a highly available product, that audiences are the consumers of the product, and that audiences choose media to ...
Ball-Rokeach & DeFleur's (1976) MSD conceptual model. Media system dependency theory (MSD), or simply media dependency, was developed by Sandra Ball-Rokeach and Melvin Defleur in 1976. [1] The theory is grounded in classical sociological literature positing that media and their audiences should be studied in the context of larger social systems.