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451.
Svindseth MF Sørebø O Nøttestad JA Roaldset JO Wallin J Dahl AA 《Scandinavian journal of psychology》2009,50(2):151-159
The Narcissistic Personality Inventory (NPI) is commonly used in empirical studies of narcissism. Few population-based studies have been published. Our aim was to do a confirmatory factor analysis (CFA) of the NPI 29 item version with a four-factor structure, in two population-based samples and in a patient sample, and present normative population-based data. The NPI-29 was filled in by 324 respondents from the Norwegian population, 231 from the Swedish population and 167 Norwegian psychiatric patients. The four-factor structure of the NPI-29 with Leadership/Power, Exhibitionism/Self-admiration, Superiority/Arrogance and Uniqueness/Entitlement was reproduced in these samples. The CFA models showed good fit indices in all samples. Mean scores on the NPI-29 and four subscales hardly differed between the samples. For the NPI-29 total score and factors, few significant differences were observed. CFA of the samples supported the factor structure of the NPI-29 formerly identified by principal component analysis of the Swedish population sample. 相似文献
452.
This study examined collective efficacy, group cohesion, and group performance in 125 randomly assigned groups of older (mean age 13.45 years) and younger (mean age 11.41 years) early adolescents working on three cooperative tasks. Collective motivation significantly predicted performance, even after controlling for past performance and self-efficacy for the older but not the younger participants. For the older (but not the younger) participants, groups with high collective efficacy and group cohesion scored higher on performance tasks than groups with low collective efficacy and group cohesion. The results point to the emergence of collective motivation beliefs in early adolescence, consistent with theories of social and cognitive development. Implications for theory and suggestions for future research are discussed. 相似文献
453.
Tehila Kogut 《决策行为杂志》2009,22(1):91-100
Educators' differential decisions towards identified single students as compared with unidentified students, or a group of identified students, were examined by presenting educators with educational scenarios describing actual dilemmas from the three different perspectives. The first two studies indicate that willingness to change the existing policy and to [bend the rule] is greater when a dilemma is presented from the specific identified student's perspective than when presented as a general dilemma. The results of the third study suggest that in their decisions regarding an identified individual student, educators allow more changes in school regulations and give less weight to the school needs as compared with their decisions regarding an unidentified student or a group of students. Implications for policy making are discussed. Copyright © 2008 John Wiley & Sons, Ltd. 相似文献
454.
David B. Estell Thomas W. Farmer Matthew J. Irvin Amity Crowther Patrick Akos Daniel J. Boudah 《Journal of child and family studies》2009,18(2):136-150
We examined bullying and victimization in 5th grade classrooms in relation to students’ education status and peer group membership.
The sample consisted of 484 participants (258 girls, 226 boys), including 369 general education students, 74 academically
gifted students, and 41 students with mild disabilities. Students with mild disabilities were more likely to be perceived
as being bullies by both teachers and peers. Teachers also rated students with mild disabilities significantly higher for
being bullied by peers. Academically gifted students were rated by teachers as the lowest for both bullying and being bullied.
Associating with aggressive or perceived-popular peers increased the likelihood of being perceived as a bully. Social isolates
were more likely to be bullied than students who did not associate with perceived-popular peers who, in turn, were more likely
to be bullied than students who associated with perceived-popular peers. Students with mild disabilities who had aggressive
and perceived-popular associates had more peer nominations for bullying than all others. In contrast, students in general
education with neither aggressive nor perceived-popular associates had the fewest peer nominations for bullying. We discuss
implications for research and intervention. 相似文献
455.
急性生理应激对大鼠的行为及脑神经颗粒素磷酸化水平的影响 总被引:1,自引:0,他引:1
突触特异性蛋白质在应激所致行为效应的中枢机制中的可能角色日益受到关注。神经颗粒素(Neurogranin,NG)是一种新发现的突触特异性蛋白质,主要分布在前额叶、杏仁核和海马区域,参与突触结构和功能可塑性机制,可能涉及到应激所致行为效应中枢机制。但是,关于NG、应激和行为之间的关系国内外尚缺乏系统的研究报道。本研究主要是探讨急性生理应激对大鼠行为和NG的作用,以及NG的变化与应激性行为效应之间的相互关系。以急性强迫性冷水游泳应激,建立生理应激动物模型。将40只雄性SD大鼠随机分为游泳应激组1(SS1,接受游泳应激和行为测试)、游泳应激组2(SS2,接受游泳应激而不接受行为测试)、正常对照组1(C1,接受行为测试)和正常对照组(C2,不给予任何处理)(n=10)。以旷场行为和高架十字迷宫任务来评定大鼠应激后的行为变化,Western blotting方法测定海马和前脑皮层中的NG含量和磷酸化水平。结果表明:应激后SS1组的呆滞行为增加,与C1组比较,差异有显著性, P<0.01; SS1组海马的NG含量和NG磷酸化水平增高,与C1和C2组相比,差异有显著性,均为P<0.05; SS1组皮层的NG含量增高,与C1和C2组相比,差异有显著性,均为P<0.01;SS1组皮层的NG磷酸化水平增高,与C1组相比,差异具有显著性,P<0.01;前脑皮层的NG磷酸化水平与呆滞行为之间的相关达显著水平。提示该应激源能诱发动物明显的恐惧反应,呆滞行为是反映急性生理应激导致行为障碍的敏感的行为学指标,海马和前脑皮层均是对急性生理应激反应敏感的脑区。NG的磷酸化水平可能是反映急性生理应激所致行为障碍的一项新的生物学指标 相似文献
456.
内科急症腹痛诊断的临床思维误区 总被引:3,自引:0,他引:3
急症腹痛是内科急诊患者最常见的主诉之一,具有发病急、变化快、病因复杂隐匿等特点,临床上极易误诊。本文从急症腹痛诊断思维活动的主观性、局限性、静止和片面性以及思维活动的教条性、惰性等角度深入探讨了急症腹痛误诊的常见临床思维误区。 相似文献
457.
肺保护策略机械通气的再评价 总被引:1,自引:0,他引:1
通常认为急性肺损伤/急性呼吸窘迫综合征(ALI/ARDS)患者应用肺保护策略机械通气可降低病死率,主要由于潮气量的降低。对已发表的随机对照研究再次分析,发现平台压与患者病死率明显相关。平台压低于30cmH2O时,潮气量可以在一定范围内增加,不影响患者预后。但选择小潮气量可能对病人有害。随机对照研究在试验设计、统计学分析、病人同质性等方面依然存在很多问题。从现有资料看,潮气量和平台压都很重要。 相似文献
458.
In an attempt to understand cultural variation in motivation, we distinguished between the type of motivation (ranging from controlled to autonomous, as conventionally measured) and the subject of motivation (“I” vs. “my family and I”), creating measures of individual and inclusive academic motivation. Support was found for three hypotheses. First, Chinese Canadian and Singaporean students felt less relative autonomy than European Canadian students, on both the inclusive and individual measures. Second, individual relative autonomy was associated with psychological well-being (WB) for European Canadians and Chinese Canadians (Study 1), and Singaporeans (Study 2). Third, inclusive relative autonomy was associated with psychological well-being for Chinese Canadians and Singaporeans, but not European Canadians. Exploratory analyses are also presented, and implications for the theory and measurement of autonomy are discussed. 相似文献
459.
Alberto Eiguer 《The International journal of psycho-analysis》2007,88(5):1135-1152
The author studies the intersubjective links which the pervert maintains with analyst or partner, attempting to indicate the differences between the investments in each case. Rather than accepting that empathy towards these patients is impossible to achieve and disturbs the countertransference profoundly, it attempts to show that these difficulties may be overcome if they are reinterpreted in the light of the theory of the intersubjective link. The author examines the theories and the practice of intersubjectivity and gives a definition of his approach to the link between two subjects. He applies these ideas to the case of a sexually masochistic female patient. The countertransference is marked successively by indifference, rejection and smothering. The analysis of the analyst's dream allows the situation to evolve. Failures in primary identification can result in domination over others and utilitarianism. The author examines the place of the challenge to the ‘Law’ and the father (in the attempt by the patient to put a theory to the test) in order to identify the figure of the witness in the pervert's intersubjective links. The desire of the transference would be marked by the figure of the witness rather than by that of the analyst as accomplice. 相似文献
460.
自由讨论条件下群体决策质量的影响因素 总被引:6,自引:2,他引:4
通过实验室实验考察了自由讨论条件下群体决策质量的影响因素,并对Stasser所提出的信息取样模型进行了验证,结果发现:(1)部分证实Stasser的信息取样模型。在信息不分享的条件下,如果讨论前群体成员的偏好比较一致时,群体的确倾向于讨论分享信息和群体所偏好的候选人的信息;但如果讨论前的偏好不一致或任务难度较低时,这一结论难以成立。(2)自由讨论条件下,群体规模的增加会增加分享信息的讨论量,而对非分享信息的讨论程度则无显著影响。而在任务难度方面,只有任务难度较大的情况下才有分享信息的讨论优势。 相似文献