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Effect of social distance on outcome evaluation in self–other decision-making

evidence from event-related potentials

He, Qia,*; Sun, Qingzhoub,*; Shi, Zuolib; Zhang, Xiaoningb; Hu, Fengpeib

doi: 10.1097/WNR.0000000000001141
INTEGRATIVE SYSTEMS
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Previous studies have shown that social distance influences one’s judgment at the decision-making stage, although its impact in the outcome evaluation stage, which is a vital stage in the decision-making process, is ignored. Using event-related potentials, we examined the influence of social distance on outcome feedback by requiring participants to make decisions for themselves, their friends, or strangers. Increased social distance reduced the feedback-related negativity amplitude in the early stage of outcome evaluation and reduced the P300 amplitude in the late stage of outcome evaluation. These results provide evidence for the power of social distance in decreasing motivation, emotional arousal, and cognitive investment in the outcome evaluation stage.

aApplied Psychology Department, School of Psychology and Cognitive Science, East China Normal University, Shanghai

bInstitute of Brain and Management Sciences, College of Economics and Management, Zhejiang University of Technology, Hangzhou, People’s Republic of China

* Qi He and Qingzhou Sun contributed equally to the writing of this article.

Correspondence to Fengpei Hu, PhD, Institute of Brain and Management Sciences, College of Economics and Management, Zhejiang University of Technology, Hangzhou 310023, China Tel: +86 057 185 290 278; fax: +86 137 5083 2355; e-mail: fengpei@zjut.edu.cn

Received September 18, 2018

Accepted September 22, 2018

© 2018 Wolters Kluwer Health | Lippincott Williams & Wilkins