采用事件相关电位(Event-Related Potentials,E R P s)方法研究产品设计与性能的冲突对消费者决策过程的影响。在网络购物环境下,消费者对展示了设计与性能的产品进行购买决策,实验结束后根据设计(高审美吸引力/适中审美吸引力)与性能(...采用事件相关电位(Event-Related Potentials,E R P s)方法研究产品设计与性能的冲突对消费者决策过程的影响。在网络购物环境下,消费者对展示了设计与性能的产品进行购买决策,实验结束后根据设计(高审美吸引力/适中审美吸引力)与性能(高/低)是否一致将产品刺激划分为四种组别:组别1(一致:高审美吸引力设计+高性能)、组别2(冲突:高审美吸引力设计+低性能)、组别3(冲突:适中审美吸引力设计+高性能)和组别4(一致:适中审美吸引力设计+低性能)。研究结果显示,组别2和3会在大脑前额皮层诱发波幅较大的负成分N270波,说明消费者根据产品设计形成的性能期望与实际性能不符,形成了刺激与大脑内源信息的冲突,从神经学角度验证了"消费者认为高审美吸引力的设计意味着高性能"。组别1和2会在大脑顶区皮层诱发波幅较大的正成分P2波,这两个组别产品的确定购买率也较高,表明产品设计的美学对消费者的购买决策有正向影响。性能信息也影响着消费者对产品的审美体验,当产品设计的审美吸引力高时,冲突会降低消费者对产品的审美体验,进而降低产品的确定购买率;而当设计的审美吸引力适中时,冲突会提高消费者对产品的审美体验,进而提高产品的确定购买率。对比具有冲突的两个组别,组别2的产品确定购买率高于组别3,说明存在冲突时,审美体验也正向影响消费者的决策。该发现解释了消费者在网络购物时浏览商品照片和规格参数界面时的神经和心理层面的决策过程。展开更多
In the present study,high-density event-related potentials(ERPs)were recorded to examine the elec-trophysiologic correlates of "Aha!" effects in a guessing Chinese logogriph task by using a two-stage model f...In the present study,high-density event-related potentials(ERPs)were recorded to examine the elec-trophysiologic correlates of "Aha!" effects in a guessing Chinese logogriph task by using a two-stage model for learning-testing.Results showed that:Firstly Successful Guessing elicited a more negative ERP deflection(N350)than Recognition did in the time window from 300―350 ms after onset of the stimuli.A voltage map of the difference wave(Successful Guessing minus Recognition)showed strong activity at the front-central region.Dipole analysis localized the generator of the N350 in the vicinity of the posterior cingulate cortex(PCC)and the inferior frontal gyrus.Secondly,a greater late positive component(LPC)in Successful Guessing than Recognition was found between 600 and 700 ms post-stimulus.Dipole analysis localized the generator of LPC in the right parahippocampal gyrus.展开更多
文摘采用事件相关电位(Event-Related Potentials,E R P s)方法研究产品设计与性能的冲突对消费者决策过程的影响。在网络购物环境下,消费者对展示了设计与性能的产品进行购买决策,实验结束后根据设计(高审美吸引力/适中审美吸引力)与性能(高/低)是否一致将产品刺激划分为四种组别:组别1(一致:高审美吸引力设计+高性能)、组别2(冲突:高审美吸引力设计+低性能)、组别3(冲突:适中审美吸引力设计+高性能)和组别4(一致:适中审美吸引力设计+低性能)。研究结果显示,组别2和3会在大脑前额皮层诱发波幅较大的负成分N270波,说明消费者根据产品设计形成的性能期望与实际性能不符,形成了刺激与大脑内源信息的冲突,从神经学角度验证了"消费者认为高审美吸引力的设计意味着高性能"。组别1和2会在大脑顶区皮层诱发波幅较大的正成分P2波,这两个组别产品的确定购买率也较高,表明产品设计的美学对消费者的购买决策有正向影响。性能信息也影响着消费者对产品的审美体验,当产品设计的审美吸引力高时,冲突会降低消费者对产品的审美体验,进而降低产品的确定购买率;而当设计的审美吸引力适中时,冲突会提高消费者对产品的审美体验,进而提高产品的确定购买率。对比具有冲突的两个组别,组别2的产品确定购买率高于组别3,说明存在冲突时,审美体验也正向影响消费者的决策。该发现解释了消费者在网络购物时浏览商品照片和规格参数界面时的神经和心理层面的决策过程。
基金the National Key Discipline of Basic Psychology in Southwest China University(Grant Nos.NSKD07002 and NSKD06002)
文摘In the present study,high-density event-related potentials(ERPs)were recorded to examine the elec-trophysiologic correlates of "Aha!" effects in a guessing Chinese logogriph task by using a two-stage model for learning-testing.Results showed that:Firstly Successful Guessing elicited a more negative ERP deflection(N350)than Recognition did in the time window from 300―350 ms after onset of the stimuli.A voltage map of the difference wave(Successful Guessing minus Recognition)showed strong activity at the front-central region.Dipole analysis localized the generator of the N350 in the vicinity of the posterior cingulate cortex(PCC)and the inferior frontal gyrus.Secondly,a greater late positive component(LPC)in Successful Guessing than Recognition was found between 600 and 700 ms post-stimulus.Dipole analysis localized the generator of LPC in the right parahippocampal gyrus.
