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Token-mediated access to play and snacks was made contingent on completion of academic tasks in the Baseline Experiment. This contingency produced stable completion rates that were subsequently doubled, and then tripled, for four deviant children in a special preschool. A reversal design demonstrated that the contingency was functional in maintaining the children's rates of task completion. The Guidance Experiment examined the role of a social event, teacher guidance, in the acquisition of task-completion skills, in a multiple-baseline-across-tasks design (with reversals). The analysis demonstrated that teacher guidance was an important supplement to the token-mediated contingency in establishing significant increases in task completions for a second group of three deviant children in the special class. The importance of teacher guidance was related to the difficulty level of the children's tasks.  相似文献   

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Ecological behaviour is often conceptualized as an instance of cooperating in a social dilemma situation. Thus, it has been argued to relate to dispositional tendencies of moral virtue and pro‐social orientation. To embed such notions in models of basic personality, we herein predicted that the recently proposed sixth basic personality factor, Honesty–Humility — which specifically pertains to individual differences in cooperativeness — is linked to environmental attitudes and ecological behaviour. Results from two studies (N = 137 and N = 531, respectively) supported these hypotheses and showed that Honesty–Humility explains incremental variance beyond the remaining, more classical five factors of personality. In addition, mediation analyses revealed that Honesty–Humility exerts part of its influence via individual differences in pro‐social value orientations. Individual tendencies to cooperate in social dilemma situations could thus be shown to form a bridge between basic personality dimensions and ecological behaviour. Copyright © 2012 John Wiley & Sons, Ltd.  相似文献   

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In mid‐June 2009, the Obama administration dissolved the President's Council on Bioethics (PCBE), a group established by President George W. Bush in August 2001 and whose nearly eight‐year life was marked from beginning to end by controversy. While some will regret the PCBE's passing, others will regard the Council as a failed experiment in doing public bioethics.  相似文献   

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Task-irrelevant stimuli (projected jokes, which were difficult to read) received an increasing attention as the auditory vigilance session progressed. This result supports reinforcement theories at the cost of activation theory of vigilance.  相似文献   

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Published validation studies of assessment centers are reviewed with respect to criteria used, staff composition, and the number of organizations involved. Impressive, consistent results are noted, but a trend is identified: Acceptance of the method is based on relatively few studies, conducted by fewer organizations, using a limited range of criteria. It is argued that perhaps the assessment center staff is evaluating candidates based on its familiarity with the preferences of the decision makers who will actually promote, thus merely duplicating already existing decision procedures. What is needed are comparative predictive studies incorporating alternative predictors and criteria.  相似文献   

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The analyst makes a series of considerations taken a posteriori from the analysis of a small number of patients. These patients have saved themselves from an early narcissistic catastrophe by developing precocious mental processes, while affective relationships rudimentarily repeat the impact with the original trauma. Primitive defences, essentially denial and vertical splitting, dissociate the tear in the psyche and structure a narcissism–autism bipolarity, revealed in aspects of the character which oblige the patient to automatically repeat a single matrix of experience. In therapy, it is necessary to construct a rst time of the trauma, by pending and linking threads of the primary relationship and strengthening them in the analytic relationship. This reconstruction of the background, a screen to project what had originally been rejected, is the prerequisite for coming out, in deferred action, from the hold of the pathological identifications. The author dedicates particular attention to the undifferentiated background, the nature‐environment torn by the trauma, and to the need to reconstruct this fabric of experience in the analytical relationship, as a fundamental element to the recomposition of the dissociated nuclei. In the clinical case, the analyst describes in particular how the analyst's words encounter an unbridgeable gap, a failure in the capacity for representation when opening the autistic nucleus. Through a regression lasting for about a year, a patient was able to live the experience of primitive agonies and that of an unbearable helplessness and, at the same time, was able to feel how the analyst supported her sense of existence. Subsequently, the patient was able to give shape, through visual images, to deep states of being and start the process of metabolising and symbolising the trauma.  相似文献   

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