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221.
We evaluated whether contextual control over equivalence and nonequivalence and responding by exclusion can explain the outcomes of relational frame theory (RFT) studies on sameness and opposition relations. We trained nine college students to maintain and reverse conditional discriminations with X1 and X2 as contextual stimuli. In Experiment 1, X1 and X2 controlled derived stimulus relations (DSR) analogous to those controlled by Same and Opposite in RFT studies. These results can be explained by at least two hypotheses: X1 and X2 were cues for equivalence and nonequivalence and responding by exclusion, or for sameness and opposition. In Experiment 2, X1 and X2 controlled DSR predicted by the hypothesis that they were cues for equivalence and nonequivalence and responding by exclusion, and not predicted by the hypothesis that they were cues for sameness and opposition. The results of Experiment 2 and the functional equivalence of X1 and X2 with Same and Opposite in Experiment 1 suggest that Same and Opposite were cues for equivalence and nonequivalence and responding by exclusion in RFT studies.  相似文献   
222.
Human neural and behavioral activities have been reported to exhibit fractal dynamics known as 1/f noise , which is more aptly named 1/f scaling . Some argue that 1/f scaling is a general and pervasive property of the dynamical substrate from which cognitive functions are formed. Others argue that it is an idiosyncratic property of domain-specific processes. An experiment was conducted to investigate whether 1/f scaling pervades the intrinsic fluctuations of a spoken word. Ten participants each repeated the word bucket over 1,000 times, and fluctuations in acoustic measurements across repetitions generally followed the 1/f scaling relation, including numerous parallel yet distinct series of 1/f fluctuations. On the basis of work showing that 1/f scaling is a universal earmark of metastability, it is proposed that the observed pervasiveness of 1/f fluctuations in speech reflects the fact that cognitive functions are formed as metastable patterns of activity in brain, body, and environment.  相似文献   
223.
Inferential reasoning by exclusion in pigeons, dogs, and humans   总被引:1,自引:0,他引:1  
The ability to reason by exclusion (which is defined as the selection of the correct alternative by logically excluding other potential alternatives; Call in Anim Cogn 9:393–403 2006) is well established in humans. Several studies have found it to be present in some nonhuman species as well, whereas it seems to be somewhat limited or even absent in others. As inconsistent methodology might have contributed to the revealed inter-species differences, we examined reasoning by exclusion in pigeons (n = 6), dogs (n = 6), students (n = 6), and children (n = 8) under almost equal experimental conditions. After being trained in a computer-controlled two-choice procedure to discriminate between four positive (S+) and four negative (S−) photographs, the subjects were tested with displays consisting of one S− and one of four novel stimuli (S′). One pigeon, half of the dogs and almost all humans preferred S′ over S−, thereby choosing either by novelty, or by avoiding S− without acquiring any knowledge about S′, or by inferring positive class membership of S′ by excluding S−. To decide among these strategies the subjects that showed a preference for S′ were then tested with displays consisting of one of the S′ and one of four novel stimuli (S′′). Although the pigeon preferentially chose the S′′ and by novelty, dogs and humans maintained their preference for S′, thereby showing evidence of reasoning by exclusion. Taken together, the results of the present study suggest that none of the pigeons, but half of the dogs and almost all humans inferred positive class membership of S′ by logically excluding S−. Electronic supplementary material  The online version of this article (doi:) contains supplementary material, which is available to authorized users.
Ulrike AustEmail:
  相似文献   
224.
We conducted a four‐part investigation to develop methods for assessing and treating problem behavior evoked by noise. In Phase 1, 7 participants with developmental disabilities who were described as being hypersensitive to specific noises were exposed to a series of noises under controlled conditions. Results for 2 of the participants verified that noise was apparently an aversive event. In Phase 2, results of functional analyses indicated that these 2 participants' problem behaviors were maintained by escape from noise. In Phase 3, preference assessments were conducted to identify reinforcers that might be used during treatment. Finally, in Phase 4, the 2 participants' problem behaviors were successfully treated with extinction, stimulus fading, and a differential‐reinforcement‐of‐other‐behavior (DRO) contingency (only 1 participant required DRO). Treatment effects for both participants generalized to their home environments and were maintained during a follow‐up assessment. Procedures and results were discussed in terms of their relevance to the systematic assessment of noise as an establishing operation (EO) and, more generally, to the identification of idiosyncratic EO influences on behavior.  相似文献   
225.
Global economic and political inequalities are in most respects greater today than they have been for decades. From one point of view inequality is a bad thing simply because it involves a deviation from equality, which is thought to have value for its own sake. But it is controversial whether this position can be defended, and if it can, whether the egalitarian ideal on which the defense may depend applies at the global level as in individual societies. Setting aside directly egalitarian reasons for concern about global inequality, this paper explores several reasons for concern that derive from nonegalitarian values – primarily those associated with poverty and material deprivation, humiliation, the impact of inequality on the capacity for self-control and self-government, and the unfairness of political decision-making procedures with large economic inequalities in the background.  相似文献   
226.
Dennis Bielfeldt 《Zygon》2001,36(1):153-177
The problem of divine agency and action is analogous to the problem of human agency and action: How is such agency possible in the absence of a dualistic causal interaction between disparate orders of being? This paper explores nondualistic accounts of divine agency that assert the following: (1) physical monism, (2) antireductionism, (3) physical realization, and (4) divine causal realism. I conclude that a robustly causal deity is incompatible with nonddualism's affirmation of physical monism. Specifically, I argue the incoherence of nondualistic strategies that advocate divine information transfer without energy transfer or the divine downward causation of physical events. Furthermore, I claim that the principle of explanatory exclusion makes any nondualistic, noninterventionist account of divine agency highly dubious. Finally, I suggest that Judaism, Christianity, and Islam can avoid a causally inert deity only if they are willing to deny the current presumption of the causal closure of the physical.  相似文献   
227.
Abstract: Does democracy or popular sovereignty imply exclusion and drawing borders? And if so, what type of exclusion and borders, and what kind of justification can we give for them? Moreover, if democracy really requires some kind of exclusion, is global democracy then a paradoxical union of two contradictory ideals? Can we create a demos on the global level? The focus of this collection of essays is on this potential conflict and its underlying values.  相似文献   
228.
229.
王沛  高瑛 《心理学报》2004,36(3):340-346
实验一以图片为材料研究了儿童同伴群体活动中的性别刻板印象。实验二以情景故事法研究了儿童在不同排斥情景中发生性别排斥的原因即其与性别刻板印象的关系。被试为幼儿园大班、2年级和5年级儿童。结果发现,(1)在同伴群体活动中三个年龄段的儿童都存在着明显的性别刻板印象。(2)同伴群体活动中的性别排斥行为并不是由性别刻板印象引起的。(3)儿童会以道德和亲社会行为为理由接纳异性儿童,会因为群体认同、群体功效和刻板印象而排斥异性儿童。  相似文献   
230.
In 2 studies, we tested what we considered to be the core of Procter and Gamble? (P&G?) latest branding strategy: making the association between its corporate brand and its product brands explicit. Participants were randomly assigned to one of the conditions: explicit association between P&G? and one of its product brands and a control condition. Results from Study 1 showed a positive influence of the corporate brand on judgements of brand quality for Crest?. Similarly, results from Study 2 showed a positive influence of the corporate brand on judgements of brand quality and trust for Oral‐B?. From a multidisciplinary perspective, we discussed the theoretical and applied implications of our results.  相似文献   
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