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为什么评价条件化中没有消极偏见? 一个认知生态的答案
Lea M Sperlich1, Christian Unkelbach1
1Department of Psychology, Social Cognition Center Cologne, University of Cologne.
当正面和负面刺激同样频繁时,评估条件 (EC) 显示没有消极偏差. 然而,正面或负面刺激的稀有性可以产生价值偏差,支持认知生态解释.
科学领域:
- 认知心理学 认知心理学
- 学习和记忆的学习和记忆
- 社会心理学 社会心理学
背景情况:
- 评估性条件化 (EC) 通常涉及将一个有条件的刺激与一个无条件的刺激 (US) 配对,以改变其评估.
- 现有的研究经常表明,学习中存在消极偏见,负面信息是优先考虑的.
- 对元分析EC数据的重新分析显示,没有一致的负面偏见.
研究的目的:
- 调查影响评估条件的价值不对称性的认知生态因素.
- 测试假设,评价信息的差异频率是负面偏见的基础.
- 为了解释在典型的EC实验中缺少负面性偏差.
主要方法:
- 重新分析现有的欧洲共同体元分析数据.
- 与实验室和在线参与者进行了五项预先注册的实验 (N=785).
- 在条件化过程中操纵正负无条件刺激 (USs) 的频率.
主要成果:
- 当正面和负面的US同样频繁时,没有观察到负面偏差.
- 当负面的美国很少出现时,出现了负面偏见.
- 当积极的USs很少见时,观察到积极性偏差.
结论:
- 这些发现支持了对EC中价值不对称的认知生态解释.
- 在EC实验中缺少负面偏差可能是由于设计缺乏生态信息结构.
- 价值不对称性受相对频率的评估信息遇到的影响.
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