契约参与度对人际信任的影响

从契约制定过程角度,探究个体制定契约参与度对人际信任的影响及其机制。现场研究结果表明参与制定宿舍契约能提升宿舍人际信任,认同感在其中起中介作用。实验室实验结果表明:契约参与度不但能提升被试对其他被试的情感(善心)和认知(依赖)信任,而且能提升被试在信任游戏中对其他被试的信任行为; 并且认同感在前者的关系中起中介作用。综合两个研究结果,契约参与度能提高对共同参与制定契约的同伴的信任,且社会认同能解释这种影响。     

羞怯对攻击的影响:安全感和社会比较倾向的中介作用

为考察安全感和社会比较倾向在羞怯与攻击之间关系的中介作用,采用大学生羞怯量表、社会比较倾向量表、安全感量表和攻击问卷对543名大学生进行测量。结果发现(1)羞怯、攻击和社会比较倾向三者之间呈显著两两正相关,且三者分别与安全感呈显著负相关;(2)羞怯对攻击的直接效应显著;(3)安全感和社会比较倾向在羞怯与攻击关系间起完全中介作用。     

The Illusion of Double‐Discount: Using Reference Points in Promotion Framing

Double‐discount is an effective format for promoting purchase decisions. However, extant literature has overlooked how temporal order of discounts applied affects consumers’ purchase decisions. In this paper, we show that the sequence of discount magnitude (e.g., 10% followed by 40% vs. 40% followed by 10%) leads to biases in consumer judgment and influences the perceived appeal and purchase intention of the deal. We term this the double‐discount sequence effect. Using four experiments, we showed that double‐discount in an ascending sequence (e.g., taking 10% off, then an additional 40% off) is preferable over that in a descending sequence. We also found that discount application sequence—but not the presentation order—matters to consumers. Consumers anchor on the first discount they encounter and evaluate the second discount with respect to this first one.     

Liberal–conservative dimension of moral concerns underlying political faction formation in Taiwan

Moral foundations theory provides a framework for understanding the traditional liberal–conservative dichotomy in political factions. Typically, factions on the liberal side are more concerned with individualizing foundations—including care/harm and fairness/cheating—for the protection of individual rights and welfare whereas factions on the conservative side are concerned with both individualizing and binding foundations—including loyalty/betrayal, authority/subversion, and sanctity/degradation—for the maintenance of existing social ethics. Our research extended this framework to the analysis of Taiwanese political factions, which are not distributed conspicuously along the liberal–conservative line but instead on whether Taiwan should become a legally independent state or unify with the People's Republic of China (Mainland China). Our results indicate that despite the scarce use of the terms liberal or left and conservative or right in common communication, a liberal–conservative dimension underlies the Taiwanese political spectrum. Specifically, supporters of Taiwan independence exhibit liberal‐like moral concerns whereas supporters of China unification and the status quo demonstrate conservative‐like moral concerns. Moreover, indirect effects exist through moral foundations from political factions to stances on social issues; this is especially prevalent in the case of Taiwan independence camp's clear support for the legalization of same‐sex marriage, a stance resulting from anti‐authoritarian moral and political characteristics.     

奖赏环路与阿片成瘾:喙内侧被盖核的调节作用

喙内侧被盖核(RMTg)位于腹侧被盖区(VTA)的尾部, 富含抑制性的γ-氨基丁酸(GABA)能神经元.RMTg是中脑边缘多巴胺系统的一个综合调节器.它的GABA能神经元接受外侧缰核(LHb)的输入, 然后投射到VTA多巴胺能神经元, 进而抑制多巴胺的释放.这三个脑区是奖赏环路的重要组成部分, 其中RMTg在阿片类物质激活的奖赏环路中尤为重要.阿片类物质主要通过抑制RMTg GABA能神经元使VTA多巴胺能神经元去抑制, 进而激活奖赏系统.因此, RMTg有望成为治疗药物成瘾(尤其是阿片成瘾)的一个重要靶点.此外, 胆碱类物质作用于RMTg的毒蕈碱受体能够抑制阿片类物质诱导的奖赏效应.未来研究应深入探讨RMTg调控的负性奖赏环路, 这对弱化觅药动机,促进消退和戒断具有重要意义.     

路径知识习得的认知老化效应

年龄与路径知识习得的关系是空间与认知老化两大领域研究的重要议题。老年人在面对不同的路径学习环境时呈现出不同的认知老化表现。以往与年龄相关的路径知识习得能力变化的研究, 主要支持了认知老化衰退理论。然而近来发现随着年龄增长, 老年人保留了一种空间认知补偿能力。由此, 在对前人文献进行回顾和反思的基础上, 整合路径知识习得的认知老化表现及机制以探究缓解空间认知老化可能的内部因素和外部有效措施。     

物质主义者自我概念的特点和相关理论

物质主义的经典研究分别从人格、价值观、目标和需要的角度界定和理解物质主义的相关现象。自我概念一直是贯穿物质主义研究的线索, 但直到最近研究者才试图以它为理论基点统摄与整合已有研究。相关研究表明, 物质主义者对自我的评价较低, 表现为低自尊、权变性自尊; 对自我的认识具有不一致性, 表现为自我概念不清晰、外显-内隐自尊分离、以及自我差距(理想自我与现实自我的差距)。最近出现的两个综合理论——物质主义的自我逃离理论与物质主义的认同目标追求理论提出, 物质主义是个体将物质拥有作为逃避自我的方式或满足自我认同动机的手段。这两个理论弥补了现有物质主义研究缺乏整合性理论的不足。未来研究可以通过借鉴有关自我概念的理论, 超越单纯的物质主义者自我匮乏的思路, 从而做出更大的理论贡献。     

不同社会群体特征对内隐领导因素的影响

研究发现,中国人内隐领导理论的内容由个人品德、目标有效性、人际能力和多面性四个因素构成。不同的年龄、职业和教育水平等评分者的特点,对领导诸因素的评分有着显著的影响。综合分析发现,教育水平是影响内隐领导因素评分的主要变量。另外,各组都倾向于把人际能力作为领导最大的特质来加以评分。     

First-Year Maternal Employment and Adolescent Externalizing Behavior

Associations between first-year maternal employment and mother—and youth-reported externalizing behavior at age 15 were examined paying attention to potential mediating roles of home and child care environments by 36?months, effortful control at 54?months, and externalizing behavior at 54?months and middle childhood. We used data from the NICHD Study of Early Child Care and Youth Development (n?=?922 non-Hispanic White children) which is a prospective birth cohort study that followed children from birth to age 15. Full-time first-year maternal employment was associated with higher levels of externalizing behavior at age 15 through higher maternal depressive symptoms by 36?months, lower effortful control at 54?months, and higher externalizing behavior at 54?months and middle childhood. Part-time first-year maternal employment was not associated with higher externalizing behavior at age 15.     

物质主义都是有害的吗?——来自实证和概念的挑战

物质主义指的是一种强调拥有物质财富对于个人生活重要性的价值观念。过往研究多强调其消极效应,但此观点日益面临挑战。实证研究表明物质主义在某些条件下能提升幸福感,也可以作为不安全感的补偿策略。在概念层面,有研究者基于动机的视角指出工具性物质主义是无害的,并且物质主义作为一种身份目标追求,能够建构和维持自我身份。未来研究需进一步为动机取向的物质主义概念提供实证研究的支持、评估物质主义补偿不安全感和提升幸福感的效果、基于认知和动机的整合视角考察物质主义对幸福感的积极影响。