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价值导向记忆对同种族偏见的影响。

The impact of value-directed remembering on the own-race bias.

作者信息

DeLozier Sarah, Rhodes Matthew G

机构信息

Department of Psychology, Colorado State University, Fort Collins, CO 80523, USA.

出版信息

Acta Psychol (Amst). 2015 Jan;154:62-8. doi: 10.1016/j.actpsy.2014.11.009. Epub 2014 Dec 10.

Abstract

Learners demonstrate superior recognition of faces of their own race or ethnicity, compared to faces of other races or ethnicities; a finding termed the own-race bias. Accounts of the own-race bias differ on whether the effect reflects acquired expertise with own-race faces or enhanced motivation to individuate own-race faces. Learners have previously been motivated to demonstrate increased recall for highly important items through a value-based paradigm, in which item importance is designated using high (vs. low) point values. Learners receive point values by correctly recalling the corresponding items at test, and are given the goal of achieving a high total point score. In two experiments we examined whether a value-based paradigm can motivate learners to differentiate between other-race faces, reducing or eliminating the own-race bias. In Experiment 1, participants studied own- and other-race faces paired with high or low point values. High point values (12-point) indicated that face was highly important to learn, whereas low point values (1-point) indicated that face was less important to learn. Participants demonstrated increased recognition for high-value own-race (but not other-race) faces, suggesting that motivation alone is not enough to reduce the own-race bias. In Experiment 2, we examined whether participants could use value to enhance recognition when permitted to self-pace their study. Recognition did not differ between high-value own- and other-race faces, reducing the own-race bias. Such data suggest that motivation can influence the own-race bias when participants can control encoding.

摘要

与其他种族或族裔的面孔相比,学习者对自己种族或族裔的面孔表现出更高的识别能力;这一发现被称为同种族偏见。关于同种族偏见的解释在这种效应是反映了对同种族面孔的后天专业知识,还是反映了区分同种族面孔的更强动机方面存在差异。此前,学习者曾被激励通过一种基于价值的范式来展示对非常重要项目的更高回忆率,在这种范式中,项目的重要性是用高(相对于低)分值来指定的。学习者通过在测试中正确回忆相应项目来获得分值,并被设定要达到高总分的目标。在两项实验中,我们研究了基于价值的范式是否能激励学习者区分其他种族的面孔,从而减少或消除同种族偏见。在实验1中,参与者研究了与高或低分值配对的同种族和其他种族的面孔。高分值(12分)表明该面孔对于学习非常重要,而低分值(1分)表明该面孔对于学习不太重要。参与者对高价值的同种族(而非其他种族)面孔表现出更高的识别能力,这表明仅靠动机不足以减少同种族偏见。在实验2中,我们研究了在允许参与者自行控制学习节奏时,他们是否能够利用分值来提高识别能力。高价值的同种族和其他种族面孔之间的识别能力没有差异,从而减少了同种族偏见。这些数据表明,当参与者能够控制编码时,动机可以影响同种族偏见。

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