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Diffusion of innovations in science

Criticism
Much of the evidence for the diffusion of innovations gathered by Rogers comes from agricultural methods and medical practice. Various computer models have been developed in order to simulate the diff ...
2014-3-12 11:30
Mathematical treatment
Main article: Logistic functionThe diffusion of an innovation typically follows an S shaped curve which often resembles a logistic function. Mathematical programming models such as the S-D model apply ...
2014-3-12 11:30
Consequences of adoption
There are both positive and negative outcomes when an individual or organization chooses to adopt a particular innovation. Rogers states that this is an area that needs further research because of the ...
2014-3-12 11:29
Diffusion of new technology
Peres, Muller and Mahajan (2010) suggest that Innovation diffusion of a new technology is "the process of the market penetration of new products and services that is driven by social influences, which ...
2014-3-12 11:29
Policy diffusion
The theories of diffusion have spread beyond the original applied fields. In the case of political science and administration, policy diffusion focuses on how institutional innovations are adopted by ...
2014-3-12 11:28
The role of social systems
Opinion leadersThroughout the diffusion process there is evidence that not all individuals exert an equal amount of influence over all individuals. In this sense there are Opinion Leaders, leaders who ...
2014-3-12 11:28
Heterophily and communication channels
Lazarsfeld and Merton first called attention to the principles of homophily and its opposite, heterophily. Using their definition, Rogers defines homophily as "the degree to which pairs of individuals ...
2014-3-12 11:26
Failed diffusion
Rogers, in his "Diffusion of Innovation" writings, discussed a situation in Peru involving the implementation of water boiling to obtain higher health and wellness levels of the individuals living wit ...
2014-3-12 11:23
Adopter categories
Rogers defines an adopter category as a classification of individuals within a social system on the basis of innovativeness. In the book Diffusion of Innovations, Rogers suggests a total of five categ ...
2014-3-12 11:22
Difference between diffusion and adoption
Adoption is an individual process detailing the series of stages one undergoes from first hearing about a product to finally adopting it.The diffusion process, however, signifies a group of phenomena, ...
2014-3-12 11:22
Rate of adoption
The rate of adoption is defined as the relative speed in which members of a social system adopt an innovation. Rate is usually measured by the length of time required for a certain percentage of the m ...
2014-3-12 11:21
Process
Diffusion of an innovation occurs through a five–step process. This process is a type of decision-making. It occurs through a series of communication channels over a period of time among the members ...
2014-3-12 11:20
History
The concept of diffusion was first studied by the French sociologist Gabriel Tarde in late 19th century and by German and Austrian anthropologists such as Friedrich Ratzel and Leo Frobenius. Its basic ...
2014-3-12 11:18
Diffusion of innovations
Diffusion of innovations is a theory that seeks to explain how, why, and at what rate new ideas and technology spread through cultures. Everett Rogers, a professor of communication studies, popularize ...
2014-3-12 11:18

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