Millennium development goals

Four eras in Communication Theory

Eras of Media Theory There are four main eras of media theory. The four eras are mass society, scientific perspective, limited effects and cultural criticism. Theories are constructed within media technology eras. These theories came about due to changes in society and politics. Era of Mass Society This era of theory started in the latter part of the 19th century. Media was seen as influential but negative. This era is characterized as a time in which people were worried about the power that media had to influence average people. People feared that media would ruin the value of society. Theories that came about during this time are : the propaganda theory and magic bullet theory. Propaganda is a method of communication that aims to influence attitudes and behaviors. Propaganda was used heavily in both World Wars and the Cold War. It has also been historically used in N.Korea and other communist nations. Adolf Hitler’s propaganda had the following character...

Theories and Paradigm of Development

The theories can be divided into two categories. 1. Unilinear world views of development. 2.Non-Unilinear world views of development In this section,' we shall discuss various development theories and paradigms. Over the years in many parts of the world, various developmental aims have been pursued by groups of people. We have seen, earlier in the unit, that the purpose of development is not one, neither is it uniform. For one nation, it may be to achieve total literacy, for some it may be drinking water, for other it may be building of motorable roads, for still others it may be reforestation. Depending on the aims, a certain process has been employed for development this process has been tried over and over again till it was refined. In other words, the process with its various trials became a theory. The development processes emanate from some philosophy. Therefore, a particular philosophy can have a group of developmental processes. In easy understanding, we might...

Shannon Weaver Model

Shannon Weaver model of communication was created in 1948 when Claude Elwood Shannon wrote an article "A Mathematical Theory of Communication" in Bell System Technical Journal with Warren Weaver. Shannon was an American mathematician whereas Weaver was a scientist. The Mathematical theory later came to be known as Shannon Weaver model of communication or “ mother of all models ." This model is more technological than other linear models. Concepts in Shannon Weaver Model Sender (Information source) – Sender is the person who makes the message, chooses the channel and sends the message. Encoder (Transmitter) –Encoder is the sender who uses machine, which converts message into signals or binary data. It might also directly refer to the machine. Channel –Channel is the medium used to send message. Decoder (Receiver) – Decoder is the machine used to convert signals or binary data into message or the receiver who translates the message ...

ritu s.sood

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