在统计判断中采用信息抽样和贝叶斯信念形成
Lisheng He1, Hongyi Wang2, Yiwen Bian1
1SILC Business School, Shanghai University, Shanghai 201800, China.
概括
决策者在解释分散图时表现出偏见,原因是偏见的信息采样. 贝叶斯学习模型准确地预测了这些判断错误,为认知机制和数据可视化提供了洞察力.
科学领域:
- 认知科学 认知科学
- 统计 统计 统计 统计
- 数据可视化 数据可视化
背景情况:
- 像分散图这样的统计图表对于数据通信至关重要.
- 决策者在解释视觉数据时经常出现系统性错误.
- 了解这些错误对于科学,医学和政策至关重要.
研究的目的:
- 提出和测试贝叶斯学习模型,以了解分散图解释中的判断错误.
- 调查偏见信息采样在统计图表感知中的作用.
- 量化预测和解释相关性判断中的常见偏见.
主要方法:
- 进行了四次眼睛跟踪实验 (N=421).
- 参与者从分散图与操纵和真实数据中做出了相关性判断.
- 使用贝叶斯信念更新和信息采样计算模型.
主要成果:
- 参与者的判断显示出已知的偏见,比如低估相关性和对无关特征的敏感性.
- 贝叶斯模型准确地预测了参与者的判断和偏见.
- 一个结合的计算模型复制了观察到的行为规律.
结论:
- 分散图解释中的判断错误源于贝叶斯学者的偏见信息采样.
- 信念形成的认知机制可以通过计算建模来阐明.
- 结果为改善数据可视化和统计通信提供了洞察力.
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