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On the basis of previous experimental findings, it is argued that the power law is not based on a true (subjective) ratio scale, but on a quasi-ratio scale. Hence, and in spite of the results of the cross-modality matching, the validity of the power law, as well as the validity of models and equations in which a subjective scale is involved, is doubted. It is further indicated that the validity of Brown's law can, under special conditions, be tested by the relation between subjective variables of velocity, length and time. Finally, the relation between the power law and Luce's theorem is discussed briefly.  相似文献   

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因果力比较范式下对效力PC理论的检验   总被引:3,自引:2,他引:1  
王墨耘  傅小兰 《心理学报》2004,36(2):160-167
在用图形方式集中呈现信息的条件下,用因果力大小比较的实验范式检验效力PC理论。233名大学生被试对不同化学药物影响动物基因变异的能力做大小比较判断。结果发现,对单一因果关系因果力大小的比较判断具有以下3个特点:(1)不对称性:在预防原因条件下的因果力判断一般符合效力PC理论,而在产生原因条件下的因果力判断一般不符合效力PC理论;(2)在同时变化协变值DP和结果基率P(E|~C)的产生原因条件下,多数被试使用DP规则。这与概率对比模型的预测相一致,而不支持效力PC理论;(3)在固定协变值DP而只变化结果基率P(E|~C)的产生原因条件下,多数被试使用变异比RP规则。这是目前所有的因果推理理论都不能解释的现象。  相似文献   

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Does the quality of same-sex friendship depend on the gender of the friends and the balance of power between friends? Fifty-four men and 60 women undergraduates evaluated two of their same-sex friendships, one equal in power and one unequal in power. The quality of each friendship was rated in terms of emotional closeness, satisfaction, liking, self-disclosure, and rewards. In general, most young adults evaluated their friendships positively. Mixed-model multivariate analyses of variance (MANOVAs) found significant main effects of gender and power on ratings of quality, but no interactions. Consistent with previous research, women generally evaluated their same-sex friendships more positively than did men. Gender differences were relatively small in magnitude and were not found for all indices of relationship quality, however. As predicted, participants rated equal-power friendships significantly higher than unequal-power friendships on all measures of quality. Power appears to be an important but largely neglected element of friendship.  相似文献   

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In this paper I discuss possible ways of measuring the power of arithmetical theories, and the possiblity of making an explication in Carnap’s sense of this concept. Chaitin formulates several suggestions how to construct measures, and these suggestions are reviewed together with some new and old critical arguments. I also briefly review a measure I have designed together with some shortcomings of this measure. The conclusion of the paper is that it is not possible to formulate an explication of the concept.  相似文献   

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Abstract: The paper suggests that the state is subject to assessment according to principles of social justice because state institutions or practices exercise forms of power over which no particular person has control. This rationale for assessment of social justice equally applies to legally optional or informal social practices. But it does not apply to individual conduct. Indeed, it follows that principles of social justice cannot provide a basis for the assessment and guidance of individual choice. The paper develops this practice‐based conception of the subject of justice by rejoining G. A. Cohen's influential critique of Rawls’ focus on the “basic structure” of society.  相似文献   

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郭春彦  朱滢 《心理科学》1997,20(5):410-413
利用计算机构造被试总体、模拟实验研究程序进行抽样研究,探讨抽样样本总体达到t检验显著性的数目与统计检验能力之间的一致性。模拟实验结果表明,统计检验能力与样本总体t检验显著性的数目具有很高的一致性,但两者同时受到显著性水平α、样本客量n和总体效果大小δ的影响,从而有可能影响统计推断的可靠性。因此,在进行显著性检验过程中,应对统计检验能力进行估计,这将有利于心理学研究成果的积累。  相似文献   

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利用脑ET技术对认知功能正常的被试进行智力发展的脑电图研究。结果表明:(1)随着年龄的增长,小学生脑α波的平均频率呈明显的上升趋势,而中学生的变化幅度不大,但明显超过60年代的同期水平;(2)脑波平均频率的空间分布表现出额低枕高的前后梯度,在年龄低组被试有逆转现象,随年龄的增长,逆转现象减少,大脑的有序程度逐渐增强;(3)小学生的信息加工速度与脑α波的关系并不十分明显,而其脑波频率的分布和发展特点与计算速度有着根本的联系。中学生的表象能力与不同脑区平均频率的关系因年龄不同而有所差异,主要表现为在右顶叶、右前颞叶、右后颞叶和左后颞叶区域,表象能力好组频率大于差组。  相似文献   

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Charley D. Hardwick 《Zygon》2005,40(3):667-682
Abstract. This essay is an appreciative engagement with Karl Peters's Dancing with the Sacred (2002). Peters achieves a naturalistic theology of great power. Two themes are covered here. The first is how Peters gives ontological footing for a naturalistic conception of God conceived as the process of creativity in nature. Peters achieves this by conceiving creativity in terms of Darwinian random variation and natural selection combined with the notion of nonequilibrium thermodynamics. He gives ontological reference for a conception of God similar to Henry Nelson Wieman's idea of creative transformation. The second theme is how Peters succeeds in translating this nonpersonal conception of God into a powerful view of naturalistic religion that can shape a religious form of life. The key is that Peters's God can be understood as present in experience. Peters provides naturalistic interpretations of grace and the cruciform structure of creativity; the latter addresses the problem of evil in a nuanced fashion. I conclude with three critical comments about Peters's environmental ethics, his use of the notion of mystery, and his failure to have a robust conception of human fault or sin.  相似文献   

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There are intergenerational secrets and unprocessed experiences that very often don’t have a voice or an image associated with them but loom in our minds nonetheless. What haunts are not the dead, but the gaps left within us by the secrets of others. This paper will look at the conflict that occurs when unspoken events and memories of one generation haunt the next one. It is my contention that the second-generation survivors of trauma can be deeply affected by something that did not directly happen to them. Utilizing my own personal narrative I will examine how being the daughter of a woman who escaped the Holocaust, and her silence about those events affected my personal development and later my work with patients. I will also explore the unspoken secret that a patient’s mother kept from her, paralleling the writer’s mother’s secret.  相似文献   

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A review is presented of empirical research on the effects of gender and power on the use of influence strategies in interpersonal relationships. Several variables are considered, including gender, power, status, relationship of agent to target, and the goal of the influence attempt. Although gender appears to account for some of the findings, power and status are more critical variables in choice of power strategies. Because gender is inextricably linked to power and status, the relationship of gender to influence strategy usage can only be understood in terms of its relationship to power and status.  相似文献   

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The dismantling of a male-dominated "power-over" social structure and its manifestations in human activities and relationships lies at the center of feminist thought. For many feminist psychologists, this has meant challenging the privileged, all-knowing, objective position of the researcher; viewing the "naive subject" of study as a participant in the process of creating knowledge; and using research methods aimed at transforming an oppressive culture (Burman, 1992; Crawford & Marecek, 1989; Hollway, 1989). These goals are at the center of the Community Education Team's (this issue) article: "Fostering Relationality When Implementing and Evaluating a Collective Drama Approach to Preventing Violence Against Women." The authors use the concept of relationality to describe the process of developing interdependence and an "egalitarian, democratic research relationship" among those involved in the study. Although "sharing power" is a goal of feminist research and pedagogy, detailed accounts of the process of incorporating feminist ideas regarding power relations in U.S. psychological research are rare. The Community Education Team reminds us that those ideas most central to feminist thought—power, process, and social change—are often the very ideas that still elude U.S. feminist psychological research.  相似文献   

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视觉资料的力量:说服、情感与认同   总被引:3,自引:0,他引:3  
大众媒体反复灌输被选来吸引其受众注意力的视觉资料。图像不但被用来阐述新闻和突出风格,还被用在试图劝导其目标受众改变态度和行为的广告与活动中。这些包括健康、安全和慈善活动。  相似文献   

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