在心理学家的诊断推理中,寻找确认性信息是强大的
Tess M S Neal1, Nina MacLean2, Robert D Morgan3
1Department of Psychology, Iowa State University.
Law and human behavior
|September 19, 2024
概括
有执照的心理学家在诊断时经常表现出确认偏见,寻求支持他们最初假设的信息. 这种偏见仍然存在,即使有机会收集不确定的证据,强调需要改进诊断推理策略.
科学领域:
- 认知心理学 认知心理学
- 临床心理学 临床心理学
- 专家的判断 专家的判断
背景情况:
- 认知偏见可以影响专家的决策.
- 了解诊断推理中的偏见对于准确的临床实践至关重要.
研究的目的:
- 调查许可心理学家诊断推理中秩序效应,上下文效应和确认偏差的存在和程度.
- 检查个人差异,如认知反射和偏见盲点,是否与确认偏见相关.
主要方法:
- 两项实验涉及有执照的心理学家 (N=280) 接触到诊断片段.
- 参与者对初始假设进行了排名,并选择了证实和否证的信息来测试他们的假设.
- 第二项研究将程序扩展到多个信息搜索机会.
主要成果:
- 在这两项研究中都观察到强有力的确认信息搜索 (92%在研究1中,持续在研究2的机会中).
- 在研究2中,随着每次随后的信息搜索机会,确认偏差略有下降.
- 认知反射和偏见盲点的个体差异被假定会影响确认偏见.
结论:
- 心理学家在诊断推理过程中表现出强烈的确认偏差倾向.
- 这些发现强调了心理学家需要实施减轻确认推理的策略,例如记录支持和反对假设的证据.
- 需要进一步的研究来探索偏见对诊断准确性的影响.
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