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Information search in the laboratory and on the Web: With or without an experimenter

机译：在实验室和网络上搜索信息：有或没有实验者

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摘要

The focus of this study is the effect of the location (laboratory vs. Web) of experiments on active information search in decision-making tasks. In two experiments, participants were confronted with two different search method versions (list vs. keyword) for acquiring information about a task from a database. The amount and type of information gathered and the time required for task completion were measured. In Experiment 1, significantly more information was searched for in the laboratory than on the Web when the list version was employed, whereas there was no difference between locations in the keyword version. In Experiment 2, the participants were assigned randomly to the Web or the laboratory condition. The results of Experiment 1 were replicated. Whereas location (and the presence or absence of an experimenter) had an effect on the absolute amount of information gathered in both experiments, the relative distribution and type of information items did not differ.
机译：这项研究的重点是实验位置（实验室还是网络）对决策任务中主动信息搜索的影响。在两个实验中，参与者面临着两种不同的搜索方法版本（列表与关键字），用于从数据库中获取有关任务的信息。测量了收集到的信息的数量和类型以及完成任务所需的时间。在实验1中，使用列表版本时，在实验室中搜索的信息比在Web上搜索的信息多得多，而关键字版本中的位置之间没有区别。在实验2中，将参与者随机分配到Web或实验室条件。复制实验1的结果。尽管位置（以及是否存在实验者）都会影响两次实验中收集到的绝对信息量，但是信息项的相对分布和类型没有差异。

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