文档介绍:GRE写作优秀范文:少数和多数之发表意见
The mediaod of choosing individuals to express their regards, evaluations and feelings about certain event, and hope to acquire overall views of groups or public that interviewees represent for. On the one hand, some castes do act as a signal of the social environment, which can well be put into evaluation for a generalization. Take the media itself as an example, in some counties, the television stations and newspapers there are likely to speak out what direction of development the country is going by and how it reacts to certain global issue. Hence, their media counterparts from abroad have a good reason to depend on the domestic media to draw authoritative conclusions of the whole nation. On the other hand, it is almost a ‘mission impossible’ to carry out a complete and integrated survey which contains every single possibility of diversity in attitudes concerning the cost of survey and feasibility of gathering samplings. The CCTV always carries out an annual survey about the most welcomed program it presented in the past year. Considering the billion population of the whole country, chances is little to get feed backs from all the citizens. As a substitution, the informants are randomly selected from various provinces in order to make it as even as possible.