Abstract：The purpose of this study is to explore the effect of membership status and review valence on the perceived usefulness of online reviews with an approach of the Event-Related Potentials (ERPs). The behavioral results showed that the perceived review usefulness was higher in the VIP condition than in the non-VIP condition, and was higher in the negative review condition than in the positive review condition as well. ERPs results showed that compared with VIP, the non-VIP condition induced greater N2 amplitudes, indicating that individuals invested more attention resources in non-VIP comment information. The LPP effect induced by comment valence was moderated by membership status, that is, the negative comments of VIP evoked larger LPP amplitude than the positive comments, indicating that VIP status enhanced the emotional arousal level of online reviews. The results provide neural data support for the processing of identity features of useful knowledge in reviews.
凌斌，薛金霞，孙丽君. 会员身份对在线评论感知有用性的影响：ERPs研究[J]. 应用心理学, 2023, 29(5): 408-415.
LING Bin XUE Jin-xia SUN Li-jun . ERPs Study on the Effect of Reviewer’s Membership on Perceived Review Usefulness. 应用心理学, 2023, 29(5): 408-415.
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