Wang Yan, Zhu Jinglei, Hu Yi, Fang Yuan, Wang Guosen, Cui Xianghua, Wang Lei
School of Psychology and Cognitive Science, East China Normal University Shanghai, China.
School of Psychology and Cognitive Science, East China Normal UniversityShanghai, China; Management of Technology and Education Department, The second Affiliated Hospital of Kunming Medical UniversityKunming, China.
Front Psychol. 2016 Nov 9;7:1699. doi: 10.3389/fpsyg.2016.01699. eCollection 2016.
Ego depletion has been found to moderate the effect of implicit preferences on food consumption, such that implicit preferences predict consumption only under a depleted state. The present study tested how trait impulsivity impacts the effect of implicit preferences on food consumption in a depleted condition. Trait impulsivity was measured by means of self-report and a stop signal task. Results showed that both self-reported impulsivity and behavioral impulsivity moderated the 'depletion and then eating according to implicit preferences' effect, albeit in different ways. Participants high in self-reported impulsivity and low in behavioral impulsivity were more vulnerable to the effect of depletion on eating. The implications of these results for extant theories are discussed. Future research is needed to verify whether or not trait impulsivity is associated with vulnerability to depletion across different self-control domains.
研究发现，自我损耗会调节内隐偏好对食物消费的影响，即内隐偏好仅在损耗状态下才能预测食物消费。本研究测试了特质冲动性如何影响在损耗状态下内隐偏好对食物消费的作用。特质冲动性通过自我报告和停止信号任务来测量。结果显示，自我报告的冲动性和行为冲动性均调节了“先损耗再根据内隐偏好进食”的效应，不过方式不同。自我报告冲动性高而行为冲动性低的参与者更容易受到损耗对进食的影响。本文讨论了这些结果对现有理论的意义。未来研究需要验证特质冲动性是否与不同自我控制领域的损耗易感性相关。
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