【OG24-768题】The kinds of hand and wrist injuries that result from extended use of a computer while maintaining an incorrect posture are common among school children in Harnville. Computers are important to the school curriculum there, so instead of reducing the amount their students use computers,teachers plan to bring about a sharp reduction in the number of these injuries by carefully monitoring their students' posture when using computers in the classroom. Which of the following would it be most useful to know in order to assess the likelihood that the teachers' plan will be successful? _mofa留学圈mofaGRE在线题库系统_GRE在线搜题_GRE题库解析_GRE真题机经_GRE课程_GRE培训机构

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The kinds of hand and wrist injuries that result from extended use of a computer while maintaining an incorrect posture are common among school children in Harnville. Computers are important to the school curriculum there, so instead of reducing the amount their students use computers,teachers plan to bring about a sharp reduction in the number of these injuries by carefully monitoring their students' posture when using computers in the classroom.

Which of the following would it be most useful to know in order to assess the likelihood that the teachers' plan will be successful?

Whether extended use of a computer while maintaining incorrect posture can cause injuries other than hand and wrist injuries Whether hand and wrist injuries not caused by computer use are common among schoolchildren in Harnville What proportion of schoolchildren in Harnville with hand and wrist injuries use computers extensively outside the classroom Whether changes in the curriculum could reduce the schools' dependence on computers What proportion of schoolchildren in Harnville already use correct posture while using a computer

正确答案： C

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题干翻译
在哈恩维尔的学童中，手和手腕的损伤以及不良姿势很常见。计算机在那里的学校课程中很重要，所以，教师们不打算减少学生使用计算机的量，而是计划通过在课堂上使用计算机时仔细监控学生的姿势，来大幅减少这些损伤。为了评估教师们的计划成功的可能性，以下哪一项最有用去了解？ 逻辑链
Monitor posture→Reduce injuries 问题类型
评价题 推理过程
教师计划通过监控课堂上学生用电脑时的姿势来减少手和手腕损伤，需要判断哪些因素会影响该计划的有效性，即要找到一个信息，其不同回答能对计划是否成功产生不同影响。 选项分析
A选项：长时间以不正确姿势使用电脑是否会导致手和手腕损伤以外的其他损伤。计划关注的是减少手和手腕损伤，此选项讨论其他损伤，与计划能否减少手和手腕损伤无关，排除。 B选项：不是由使用电脑导致的手和手腕损伤在哈恩维尔学童中是否常见。计划针对的是因使用电脑产生的手和手腕损伤，此选项说的是非电脑使用导致的情况，话题不一致，排除。 C选项：在哈恩维尔有手和手腕损伤的学童中，有多大比例在课堂外大量使用电脑。如果比例高，那么仅监控课堂姿势对减少整体损伤作用有限，计划难成功；如果比例低，计划成功可能性大，该项不同回答影响计划有效性，当选。 D选项：课程的改变是否能减少学校对电脑的依赖。计划重点是通过监控姿势减少损伤，而非减少对电脑依赖，话题不一致，排除。 E选项：在哈恩维尔有多大比例的学童在使用电脑时已经使用正确姿势。即使已有部分学生姿势正确，也不明确这对整体减少损伤计划的影响，无法评价计划有效性，排除。

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