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Part One
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主题语境2人与社会
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1.社会服务与人际沟通
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Passage1(2023·新高考I卷·D篇)
of what the group members actually did in their
On March 7,1907,the English statistician
discussion.Did they tend to go with those most
Francis Galton published a paper which illustrated
confident about their estimates?Did they follow
what has come to be known as the "wisdom of
those least willing to change their minds?This
crowds"effect.The experiment of estimation he
happened some of the time,but it wasn't the
conducted showed that in some cases,the average
dominant response.Most frequently,the groups
of a large number of independent estimates could
reported that they "shared arguments and reasoned
be quite accurate.
together."Somehow,these arguments and
This effect capitalizes on the fact that when
reasoning resulted in a global reduction in error.
people make errors,those errors aren't always the
Although the studies led by Navajas have
same.Some people will tend to overestimate,and
limitations and many questions remain the
some to underestimate.When enough of these
potential implications for group discussion and
errors are averaged together,they cancel each
decision-making are enormous.
other out,resulting in a more accurate estimate.If
1.What is paragraph 2 of the text mainly about?
people are similar and tend to make the same
A.The methods of estimation.
errors,then their errors won't cancel each other
B.The underlying logic of the effect.
out.In more technical terms,the wisdom of
C.The causes of people's errors.
crowds requires that people's estimates be
independent.If for whatever reasons,people's
D.The design of Galton's experiment.
2.Navajas'study found that the average accuracy
errors become correlated or dependent,the
accuracy of the estimate will go down.
could increase even if
But a new study led by Joaquin Navajas
A.the crowds were relatively small
offered an interesting twist (on this classic
B.there were occasional underestimates
phenom