规范性或确认性:信息质量和冗余性在决策支持系统中的影响
Yoav Ben Yaakov1, Maja Denisova2, Filmona Mulugeta2
1Tel Aviv University, Israel.
Human factors
|November 27, 2024
概括
用户更喜欢使用具有新鲜信息的决策支持 (DS) 系统,而不是冗余数据. 相对相关的信息降低了性能,突出了为最佳任务结果尽量减少冗余的必要性.
科学领域:
- 人与计算机的交互
- 认知心理学 认知心理学
- 信息科学 信息科学 信息科学
背景情况:
- 关于用户对相关信息与非相关信息的偏好之前的研究是不确定的.
- 信息相关性对决策支持系统 (DS) 使用,信任和性能的影响仍然不清楚.
研究的目的:
- 调查信息相关性如何影响用户访问决策支持系统的倾向.
- 检查相关信息对用户信任和决策表现的影响.
主要方法:
- 一个涉及481名参与者的实验,他们做出了分类决定.
- 参与者可以选择购买额外的DS,与他们现有的信息有不同程度的相关性.
主要成果:
- 当信息与他们现有的数据无关时,用户更倾向于获得DS.
- 信息相关性对业绩产生了负面影响,对信任和业绩的影响取决于DS的敏感性.
结论:
- 来自DS的冗余信息可能不会提高性能;其实用性取决于系统和用户信息之间的相互作用.
- 优化任务性能需要分析信息相关性和设计系统以最大限度地减少冗余,例如使用独立数据源.
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