From Functional Efficiency to Temporal Efficiency: Multifunctional Products Increase Consumer Impatience

Multifunctional products are ubiquitous in consumers' daily lives. However, scant research has examined whether and how the presence of multifunctional products systematically alters consumer behavior beyond product evaluations and adoption. Across four experiments and three supplementary studies, the authors identify a multifunction-impatience effect. They show that after exposure to multifunctional (vs. single-function) products, consumers are more likely to choose a smaller but sooner (vs. a larger but later) reward (Study 1), report more impatience when waiting for the web search results to load and perceive the loading time as longer (Study 2), and are willing to pay more for expedited shipping (Study 3). The authors further show that the effects occur because multifunctional products activate an efficiency goal among consumers, which renders them less patient (studies 2 and 3). In addition to the regular, “sequential” multifunctional products for which each of the functions has a specific usage situation, the proposed effect also applies to “simultaneous” multifunctional products whose functions operate simultaneously during consumption (Study 4). Taken together, this research broadens the scholarly understanding of the effects of multifunctional products from consumers' responses to these products to the unintended impact of such products on consumer impatience.     

青少年亲子关系、消极社会适应和网络成瘾的关系:一个有中介的调节作用

为探讨亲子关系、消极社会适应和网络成瘾的关系,采用问卷法对六个城市共2324名中学生进行研究。结果表明：（1）冲突型青少年网络成瘾倾向得分最高,依恋型青少年网络成瘾倾向得分最低;（2）消极社会适应在亲子依恋和亲子冲突对网络成瘾的预测中均起部分中介作用;（3）消极社会适应的中介作用受到性别的调节。这一研究结果揭示了积极和消极亲子关系对网络成瘾的共同作用机制,为从家庭层面干预和预防青少年网络成瘾状况提供了参考。     

Sequent Calculi for Semi-De Morgan and De Morgan Algebras

A contraction-free and cut-free sequent calculus \(\mathsf {G3SDM}\) for semi-De Morgan algebras, and a structural-rule-free and single-succedent sequent calculus \(\mathsf {G3DM}\) for De Morgan algebras are developed. The cut rule is admissible in both sequent calculi. Both calculi enjoy the decidability and Craig interpolation. The sequent calculi are applied to prove some embedding theorems: \(\mathsf {G3DM}\) is embedded into \(\mathsf {G3SDM}\) via Gödel–Gentzen translation. \(\mathsf {G3DM}\) is embedded into a sequent calculus for classical propositional logic. \(\mathsf {G3SDM}\) is embedded into the sequent calculus \(\mathsf {G3ip}\) for intuitionistic propositional logic.     

契约观念与正当性——一个政治哲学史的视角政治与伦理

作为政治学的重要范畴,契约观念与政治生活中的正当性问题紧紧交织在一起。这一范畴有特定的西方政治哲学传统的背景,并在不同时代语境之中有其不同的内涵和特质。在西方政治发展的不同阶段,契约观念分别与政治服从的必要性、政治权威合法性和政府行为的范围与限度等问题密切相关。契约政治观念体现了人类实现自我治理的理想。     

A Computationally Efficient State Space Approach to Estimating Multilevel Regression Models and Multilevel Confirmatory Factor Models

Although the state space approach for estimating multilevel regression models has been well established for decades in the time series literature, it does not receive much attention from educational and psychological researchers. In this article, we (a) introduce the state space approach for estimating multilevel regression models and (b) extend the state space approach for estimating multilevel factor models. A brief outline of the state space formulation is provided and then state space forms for univariate and multivariate multilevel regression models, and a multilevel confirmatory factor model, are illustrated. The utility of the state space approach is demonstrated with either a simulated or real example for each multilevel model. It is concluded that the results from the state space approach are essentially identical to those from specialized multilevel regression modeling and structural equation modeling software. More importantly, the state space approach offers researchers a computationally more efficient alternative to fit multilevel regression models with a large number of Level 1 units within each Level 2 unit or a large number of observations on each subject in a longitudinal study.     

胼胝体调节大脑两半球相互作用的机制

胼胝体是哺乳动物脑内最大的白质结构,不仅可以在大脑两半球间传递信息,也能调节半球间的相互作用,“抑制模型”和“兴奋模型”是当前解释胼胝体调节机制的主要模型.前者假设,胼胝体对半球间的信息传递起抑制作用,表现为优势半球的功能增强,非优势半球的活动抑制,因而可以提高半球加工的独立性和功能不对称性;后者则认为,胼胝体对半球间信息传递起促进作用,导致两半球同时性活动,并增强其功能连接性,因而可以降低半球的功能不对称性,有利于半球间的信息共享与功能整合.近期的研究显示,胼胝体并不是一个结构与功能的单一体,而是包含了在空间与时间上既分离又互动的多通道信息加工复合体.抑制与兴奋信息可以通过胼胝体的不同空间通道以不同的速度在半球间进行传递,并受到任务计算类型与复杂性的调节,因此,胼胝体的抑制与兴奋的协同可以调节两半球的动态相互作用.     

贪婪:态度、动机与决策机制

贪婪是人性的重要特点之一,也是哲学、经济学等领域经常讨论的话题.本文首先梳理了贪婪的概念,并将问题聚焦在对于物质的贪婪上.然后总结了贪婪的特点,并提出贪婪的定义.接着阐述了情境因素如何影响个体对贪婪的态度,以及贪婪动机如何影响自利行为.贪婪决策是个体决定是否做出贪婪行为的心理过程,受到自我意识和情绪的影响.贪婪决策过程模型整合了控制性、自动化两类加工方式,阐释了自利倾向与道德自觉相互作用的机制.本文对以上内容逐次进行讨论,并提出了未来研究的方向.     

通货膨胀知觉的认知机制和影响因素

通货膨胀知觉是个体对通货膨胀的主观体验.通货膨胀知觉的认知机制主要体现在体验阶段和整合阶段.体验阶段主要涉及到个体对物价的感受性和记忆,整合阶段主要涉及到个体利用可得性启发式以及锚定和调整启发式完成对通货膨胀的最终估计.通货膨胀知觉的影响因素主要包括通货膨胀预期、框架效应、对价格公平性的认知、社会放大效应以及货币改革等.未来可以从通货膨胀知觉的信息加工方式、认知神经机制、跨文化研究以及具有较高生态效度的测量指标等方面进一步探讨.     

中学生价值观、自我概念与生活满意度的关系研究

用问卷法对7省市958名中学生的价值观、自我概念与生活满意度进行研究,结果表明:(1)中学生具有较高的总体生活满意度;(2)男生在身心状况和学习状况两领域的满意度显著高于女生;高一学生在物质生活领域的满意度显著高于其他三个年级,在社会适应与社会支持领域的满意度显著高于高二,在学习状况领域的满意度显著高于初三,在社会发展与国际政治领域的满意度显著高于高三;(3)价值观中的金钱权力、法律规范家庭价值取向和自我概念各因子对物质生活满意度具有显著的预测作用;价值观中的法律规范价值取向和自我概念中的人际关系自我、学习能力自我和外貌自我对身心状况满意度具有显著的预测作用;价值观中的法律规范、家庭价值取向和自我概念中的人际关系自我、学习能力自我和外貌自我对社会适应与社会支持满意度具有显著的预测作用;价值观中的金钱权力、法律规范、家庭价值取向和自我概念中的理想自我、人际关系自我、学习能力自我对学习状况满意度具有显著的预测作用;价值观中的金钱权力、法律规范、家庭、公共利益价值取向和自我概念中的学习能力自我对社会发展与国际政治满意度具有显著的预测作用.