暴力暴露对大学生网络攻击行为的影响:有调节的中介模型

为探讨暴力暴露、大学生网络攻击行为、负性自动思维及自我控制之间的关系,选取黑龙江大学、哈尔滨师范大学两所高校共600名大一至大四的大学生为被试,采用暴力暴露问卷、网络攻击行为量表、自动思维问卷及自我控制问卷进行测试。结果表明：（1）暴力暴露对大学生网络攻击行为有着显著的正向影响,并间接地通过负性自动思维对大学生网络攻击行为产生作用;（2）自我控制在暴力暴露对大学生网络攻击行为的影响中起显著的调节作用,具体而言,在低自我控制水平下,暴力暴露能显著的正向预测大学生网络攻击行为,而在高自我控制水平下,暴力暴露对大学生网络攻击行为的预测作用不显著。     

Ethnic Variations of Trajectories in Suicide Ideation and Attempt: From Middle School to High School

The purpose of this study was to compare patterns of suicide ideation and suicide attempt in three ethnic groups. We analyzed data from 463 students with ethnic backgrounds of African American (AA), Asian American (ASA), and European American (EA) for 6 years. The best fit model was a three‐trajectory class model for all groups. The majority of adolescents belonged in the nonideators trajectory. The high level of ideation was found in the high ideators (4%), high‐fluctuating ideators (8%), and high‐decreasing ideators (4%) trajectory in AA, ASA, and EA, respectively. In the AA group, being a member of ideators was not a significant predictor of suicide attempt. In the ASA group, being a member of high‐fluctuating ideators was a significant predictor. In the EA group, being a member of both ideators predicted suicide attempt. The timing of onset, patterns of change, and peak time in the ideators trajectories in the three ethnic groups were markedly different. The high level of attempts found in the ASA–AA group was not explained by having suicide ideation. Findings suggest the need for in‐depth examination of suicide behaviors across ethnic groups and culturally adapted preventive efforts with distinct developmental timing for adolescents from different ethnic backgrounds.     

互联网海量信息环境对人类决策提出的挑战及其应对方式

如今互联网推动人类进入信息爆炸时代,有限大脑容量与激增信息量间的巨大反差对人类决策提出了前所未有的挑战,但已有知识系统却找不出应对它的现成答案。围绕"互联网海量信息环境对人类决策的挑战"和"互联网海量信息环境下人类决策的应对方式"两个关键科学问题,我们借鉴动物选择"无序个体单独行动"和"有序集体统一行动"的转换机制,提出互联网海量信息环境下的内外脑应对方式,冀增进人们对互联网环境下决策行为的理解。     

Armstrong was a Cheat: A Reply to Eric Moore

ABSTRACT

In this paper, we reply to Eric Moore’s argument that Lance Armstrong did not cheat, at least according to one, standard account of cheating. If that is the case, we argue, so much the worse for the standard account of cheating, since Armstrong was a cheat. We argue that the standard account of cheating fails on several counts: it specifies conditions that are not necessary for cheating: that cheating involves trying to secure an unfair advantage and that cheating depends on fair application of the rules. We dispute Moore’s claim that doping in the peloton was a convention that had normative force, and reject his anti-formalist analogy between doping in the peloton and bodily contact in basketball.     

BULIMIC SYMPTOMATOLOGY IN HIGH SCHOOL GIRLS

This study tests the explanatory power of an integrated sociocultural and personality model in predicting bulimic symptomatology. Family, peer, and personality factors were assessed at three levels of analysis. The first level of the model measured the general functioning of the family system and friendship network. The second level assessed the extent to which the family system and friendship network were concerned with issues of weight and dieting, as well as the rate of eating disorders among members in these groups. The third level investigated the relationship of certain personality variables to bulimic symptoms. Based on self-report data from approximately 400 high school girls, correlates of bulimic symptomatology at each of the three levels of analysis were identified. An integrated model, in which the three levels of analysis were considered in unison, demonstrated that risk factors at each level of analysis cumulatively contribute to an increase in bulimic symptoms.