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  3. Are two heads usually better than one? If you had a difficult problem to solve, would you be better working on the problem alone

Are two heads usually better than one? If you had a difficult problem to solve, would you be better working on the problem alone

admin2009-04-23  47
问题     Are two heads usually better than one? If you had a difficult problem to
solve, would you be better working on the problem alone or working on it as            S1.______
part of a group? Years of research has yielded a consistent pattern of findings
shows that groups typically produce more, and produce better solutions to              S2.______
problems than the same number as individuals working alone. For instance, a            S3.______
classic experiment by Shaw had groups or individual subjects attempted to              S4.______
solve problems involving conceptual and mathematical skill. In every case,             S5.______
the groups produced more correct solutions than the individuals.
    However, it was one important warning to the finding of group superiority:         S6.______
the groups were considerably less efficient, when time considered, than the            S7.______
individuals were. In other words, although groups produced more correct solutions,
but they did so at a cost of more time. In fact, much subsequent                       S8.______
research has suggested that the advantage of groups in solving problems can be
outweighed unless efficiency in terms of time per person is a major criterion.         S9.______
As a general rule, though, group performance in problem-solving situations is
more qualitatively and quantitatively superior to the performance of the average       S10.______
individual working alone. There are a number of reasons groups are generally
better at problem solving than individuals.
选项
答案better ∧working→off
解析 固定搭配错误。be better off表示“境况较好”，如用better后面应该接连词than，而非表选择的连词 or。
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