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2010年考研英語閱讀文章來源出處及原文

來源:萬學海文 2010-1-12 13:53:01 要考試,上考試吧! 考研萬題庫

  2010年考研英語閱讀第三篇文章來源出處

  第三篇文章是傳播學的文章,這篇文章節選于07年2月份的《哈佛經濟評價》(Harvard Business Review),講述了究竟是什么樣的人影響了社會潮流的研究,主要提供了兩種觀點,一種是影響力主宰潮流,另外是大眾主宰潮流,文章的結構形式和我們以前考過的結構類型非常相似。

  原文如下(加粗部分為真題節選部分):

  The Accidental Influentials

  In his best-selling book The Tipping Point, Malcolm Gladwell argues that “social epidemics” are driven in large part by the actions of a tiny minority of special individuals, often called influentials, who are unusually informed, persuasive, or well connected. The idea is intuitively compelling – we think we see it happening all the time – but it doesn’t explain how ideas actually spread.

  The supposed importance of influentials derives from a plausible-sounding but largely untested theory called the “two-step flow of communication”: Information flows from the media to the influentials and from them to everyone else.Marketers have embraced the twostep flow because it suggests that if they can just find and influence the influentials, those select people will do most of the work for them. The theory also seems to explain the sudden and unexpected popularity of certain looks, brands, or neighborhoods. In many such cases, a cursory search for causes finds that some small group of people was wearing, promoting, or developing whatever it is before anyone else paid attention. Anecdotal evidence of this kind fits nicely with the idea that only certain special people can drive trends.

  In recent work, however, my colleague Peter Dodds and I have found that influentials have far less impact on social epidemics than is generally supposed. In fact, they don’t seem to be required at all.

  Our argument stems from a simple observation about social influence: With the exception of celebrities like Oprah Winfrey – whose outsize presence is primarily a function of media, not interpersonal, influence – even the most influential members of a population simply don’t interact with that many others. Yet it is precisely these noncelebrity influentials who, according to the two-step-flow theory, are supposed to drive social epidemics, by influencing their friends and colleagues directly. For a social epidemic to occur, however, each person so affected must then influence his or her own acquaintances, who must in turn influence theirs, and so on; and just how many others pay attention to each of these people has little to do with the initial influential. If people in the network just two degrees removed from the initial influential prove resistant, for example, the cascade of change won’t propagate very far or affect many people.

  Building on this basic truth about interpersonal influence,Dodds and I studied the dynamics of social contagion by conducting thousands of computer simulations of populations, manipulating a number of variables relating to people’s ability to influence others and their tendency to be influenced. Our work shows that the principal requirement for what we call “global cascades”– the widespread propagation of influence through networks – is the presence not of a few influentials but, rather, of a critical mass of easily influenced people, each of whom adopts, say, a look or a brand after being exposed to a single adopting neighbor.Regardless of how influential an individual is locally, he or she can exert global influence only if this critical mass is available to propagate a chain reaction.

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