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Scientists have long argued over the relative contributions of practice and native talent to the development of elite performanc
Scientists have long argued over the relative contributions of practice and native talent to the development of elite performanc
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2017-12-19
30
问题
Scientists have long argued over the relative contributions of practice and native talent to the development of elite performance. This debate swings back and forth every century, it seems, but a paper in the current issue of the journal Psychological Science illustrates where the discussion now stands and hints—more tantalizingly, for people who just want to do their best—at where the research will go next.
The value-of-practice debate has reached a stalemate. In a landmark 1993 study of musicians, a research team led by K. Anders Ericsson found that practice time explained almost all the difference(about 80 percent)between elite performers and committed amateurs. The finding rippled quickly through the popular culture, perhaps most visibly as the apparent inspiration for the "10,000-hour rule" in Malcolm Gladwell’s best-selling "Outliers" —a rough average of the amount of practice time required for expert performance.
The new paper, the most comprehensive review of relevant research to date, comes to a different conclusion. Compiling results from 88 studies across a wide range of skills, it estimates that practice time explains about 20 percent to 25 percent of the difference in performance in music, sports and games like chess. In academics, the number is much lower—4 percent—in part because it’s hard to assess the effect of previous knowledge, the authors wrote.
One of those people, Dr. Ericsson, had by last week already written his critique of the new review. He points out that the paper uses a definition of practice that includes a variety of related activities, including playing music or sports for fun or playing in a group. But his own studies focused on what he calls deliberate practice: one-on-one lessons in which an instructor pushes a student continually, gives immediate feedback and focuses on weak spots. "If you throw all these kinds of practice into one big soup, of course you are going to reduce the effect of deliberate practice," he said in a telephone interview.
Zach Hambrick, a co-author of the paper of the journal Psychological Science, said that using Dr. Ericsson’ s definition of practice would not change the results much, if at all, and partisans on both sides have staked out positions. Like most branches of the nature-nurture debate, this one has produced multiple camps, whose estimates of the effects of practice vary by as much as 50 percentage points.
What is the author’ s attitude towards the practice-nature debate?
选项
A、Disinterested.
B、Objective.
C、Critical.
D、Unconcerned.
答案
B
解析
态度题。本题问作者对关于天赋和练习争论的态度。文章第一段引出话题,第二 段介绍了认为练习更重要的研究者的观点;第三段介绍了新论文与以往截然不同的结 论。第四段阐述了认为练习更重要的学者对新论文观点的评价。最后一段介绍了两个阵 营研究结果差异之大。由此看出,作者对此争论的态度是客观的,故B项“客观的”为正 确答案。A项“不感兴趣的”、C项“批评的”和D项“不关心的”,均不符合题意,故排除。
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0
考研英语一
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