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The Effect of Need for Cognition on Search Performance

机译：认知需求对搜索效果的影响

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摘要

We examine in this paper how need for cognition (NFC), one of the personalrncharacteristics, affects search performance in two aspects: effectiveness measured byrnprecision and efficiency measured by search time. Forty participants were invitedrnindividually to an on-campus usability laboratory for the study. Each was asked tornperform two search tasks, make usefulness judgments on search results they obtained,rnand rate the task difficulty level upon finishing each task. Their NFC levels were collectedrnby a standard psychologist-developed NFC Scale. Factor analysis, T-test and GeneralrnLinear Model in SPSS were used to analyze the collected data. NFC was found to haverneffects on search effectiveness in general, but not on time (efficiency). Not significantrnthough, there were tendencies that the interaction of task difficulty and NFC affectedrnsearch effectiveness and efficiency. Results proved that NFC is a significant facet thatrncould influence search performance. More studies are needed to further explore therninteraction effect of NFC and the level of task difficulty/complexity. Further research willrnalso examine the effect of elaborative processing of information in contributing to thernbetter performance of people with high NFC level.
机译：我们在本文中研究了认知的需求（NFC）是个人特征之一如何在两个方面影响搜索性能：以精度衡量的有效性和以搜索时间衡量的效率。 40名参与者分别被邀请到校园内的可用性实验室进行研究。要求每个人执行两个搜索任务，对他们获得的搜索结果进行有用性判断，并在完成每个任务时对任务难度级别进行评分。他们的NFC水平是由标准的心理学家开发的NFC量表收集的。采用SPSS中的因子分析，T检验和GeneralLinear线性模型对收集到的数据进行分析。发现NFC通常对搜索效果没有影响，但对时间（效率）没有影响。尽管不显着，但有这样的趋势，即任务难度和NFC的相互作用会影响搜索的有效性和效率。结果证明，NFC是可能影响搜索性能的重要方面。需要更多的研究来进一步探讨NFC的交互作用和任务难度/复杂程度。进一步的研究还将研究精心处理信息对提高NFC高水平人员的表现的作用。

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  • 来源
  • 会议地点 Columbus OH(US);Columbus OH(US)
  • 作者

    Jingjing Liu; Xiangmin Zhang;

  • 作者单位

    School of Communication, Information, and Library Studies, Rutgers University 4 Huntington Street, New Brunswick, NJ 08901, USA jingjing@scils.rutgers.edu;

    School of Communication, Information, and Library Studies, Rutgers University 4 Huntington Street, New Brunswick, NJ 08901, USA xzhang@scils.rutgers.edu;

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  • 正文语种 eng
  • 中图分类 信息与知识传播;
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