| The thesis discusses the commentary communication and the guiding public opinion through Internet. The discussion is of very significance in the communication theory and media practice,for it not only enrich the research of commentary communication,but also deepen the research of net-mediated communication and help to guide properly the public opinion through the Internet. In examining the research history of the objects above,it is found that there is few qualitative macro-analyses but many quantitative micro-analyses. Therefore,the thesis aims to break through in the respect from the macro-angle,by studying the net-mediated communication of commentary in the whole media environment and social background,and applying the theoretical frame and research results of many fields such as journalism,communication,sociology and philosophy etc.The main contents of the thesis is the following:l.In the light of the content and pattern classification,the net-mediated communication of commentary includes transmitting commentary of web sites,creative commentary of web sites and interactive commentary among net-users. Compared with that through traditional media,the commentary communication through Internet is of superiority in the aspect of timeliness,scope and information quantity. However,freedom and interaction are the most innate character of commentary communication through Internet.2.The weakness of gatekeeper's function of net-media leads to the pluralism of communication subject,for the commentary communication through net-media deeply promote the trend that communication subject transmit from professional communicator to non-professional communicator. The transmitting trend symbolizes that the commentary is essentially a common form of social exchange. However,the commentary communication through mass media is not only a form of social exchange,but also a form of social control. The commentary communication through net-media intensifies the contradiction between freedom and control in the course of communication. The net-mediated communication of commentary should and can leads to relative balance between freedom and control.3.Theoretically,the interactive communication of commentary can enhance the effect of persuasion. From the aspect of interactive contents and interactive patterns,the present persuasive effect of interactive commentary among net-users is not remarkable,hence,it is not appropriate to give higher praise to net-forum in developing "free market of opinion". Although " free market of opinion " is an ideal of western liberals,thetheory about it was not perfect,for the commentary communication through mass media should achieve the multiple values of the true,the good and the beautiful.4.Net-mediated communication of commentary will be relatively strengthened in the coming net-era,which is insured by advancement of technology,contest among media and demands of audience. Therefore,the net-mediated communication of commentary will show its unique character more and more. The multi-media commentary that combines audio,video and text would emerge. The non-relational aspect such as lack of continuity and scene would be reformed.5.Although the persuasive effect of interactive communication is not remarkable,the net-mediated communication of commentary is of important social shock. The civilized atmosphere in cyberspace is destroyed by the abuses and hegemony overflowed in the virtual community. According to social control,the net-mediated communication of commentary increases the complexity and difficulty of guiding public opinion and harmonizing society of which mass communication take on the function.6.The Cyberspace is not special field. The principle of the true,the good and the beautiful pursued by commentary communication through traditional media should and can followed. In cyberspace,the control of public opinion is relatively weakened,so,some new tactics must be applied to follow the principle of the true,the good and the beautiful. For example,the control of public opinion...
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