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Assertions that studying is done best at a desk rather than on a bed are largely untested. In the present study the GPA of students working at their desks was compared with that of students studying on their beds. There was no difference in the GPA's of the two groups. The assumption that there is a single type of study environment optimal for all students appears unwarranted. Since a sizable number of college students use their beds and even the floor for studying, the use of softer and more comfortable furniture in libraries and study halls deserves consideration.  相似文献   

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Gila Sher 《Synthese》2011,181(2):353-365
The paper presents an outline of a unified answer to five questions concerning logic: (1) Is logic in the mind or in the world? (2) Does logic need a foundation? What is the main obstacle to a foundation for logic? Can it be overcome? (3) How does logic work? What does logical form represent? Are logical constants referential? (4) Is there a criterion of logicality? (5) What is the relation between logic and mathematics?  相似文献   

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...The moral status -- and specifically the controversial issue of personhood -- is related to attainment of developmental individuality...This contrasts with the view that holds that personhood occurs earlier, at the point of genetic uniqueness. I believe that an embryo that has developed to the point where it can be one individual and one individual only, differs in moral status from a preembryo that has not, even if in many cases we may choose to treat them similarly...In view of the conviction that the preembryo is not yet a person and that its statistical potential for becoming such is small, it is not clear that nontherapeutic experiments can be excluded in principle. However, because the preembryo does have intrinsic potential...the preembryo should be treated as a person...Any exceptions from the prima facie duty to treat the preembryo as a person should be based on criteria established at the national level....  相似文献   

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Agents seeking an opportunity for profit often have to compete with others who pursue the same opportunity. When having to choose between a number of opportunities differing in their value and if individuals differ in their chances of outperforming others, the choice can be cognitively and emotionally demanding. We explore choice between opportunities using stylized Lions–Foxes games. In such a game, each of three players, with different odds of beating others, has to choose one of two contests that offer different rewards. After game theoretically analyzing the games, which we have experimentally employed, we report four experiments that vary in choice elicitation (repeated play or strategy method), in players' matching (random strangers or partners) and in rewards. Regarding contest choices, we found the choice of the higher value (and seemingly more prestigious) contest to be positively related to winning odds, contrary to what four out of the five (mixed, partially mixed, or pure) equilibria predict. Participants started out rather optimistic, with a large majority choosing the higher value option, but with experience, they approached the only viable of two pure strategy equilibria. Still, mixing continued via reacting to past play and outcome, apparently balancing dissatisfaction from choosing either contest.  相似文献   

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How sophisticated is unconscious cognition? This is one of the most fundamental questions about the unconscious that has been posed by research psychologists over the past century. Anthony Greenwald takes a contemporary look at this classical problem and concludes that unconscious cognition is severely limited in its analytic capability. In response, other leading scholars agree that the reality of unconscious processes is no longer questionable. Although there is some disagreement about just how sophisticated these processes are, the consensus is that exciting times are ahead for both research and theory concerning the mental processes involved in unconscious cognition.  相似文献   

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Investigation of children's understanding of the earth provides important insights into the origins of children's knowledge, the structure of their concepts, and the development of scientific ideas. Vosniadou & Brewer (1992 Vosniadou, S. and Brewer, W. 1992. Mental models of the earth: A study of conceptual change in childhood. Cognitive Psychology, 24: 535585. [Crossref], [Web of Science ®] [Google Scholar]) proposed that, under the influence of intuitive constraints and observations, children form naïve but coherent mental models of the earth: for example they believe it to be flat, or that we live inside a hollow sphere. To test this claim, 59 children aged 6 – 8 years and 33 adults were given multiple-choice questions and a 3D model selection task. This approach avoided the criticisms of recent studies by providing participants with a full range of possible answers. Even the youngest children preferred scientific responses and so demonstrated some knowledge of the earth. Only 10% of the children showed any evidence of naïve mental models; other participants who gave non-scientific answers were inconsistent and unsystematic. It is argued that intuitive constraints have little or no influence on the development of children's ideas in this domain, and that emerging knowledge of the earth progresses from being fragmented to consistently scientific.  相似文献   

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The findings of some of the key studies that have examined the contribution of different bands of spatial information, specified in terms of cycles per face, to face recognition, and identification are reviewed. Based on findings from studies of low-, high-, and band-pass filtering, it is concluded that neither low facial scales nor high facial scales are optimal. Instead, a center range of facial scales, approximately 8-16 cycles per face, appears to make the greatest contribution to the recognition process. A study of identification of band-pass filtered faces is reported that reinforces the view derived from the literature. This indicated that a band with a harmonic mean of 11.1 cycles per face provided the most efficient recognition, with speed and accuracy declining at lower and higher bands.  相似文献   

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In this paper, classical pragmatism is used as a method, not as a substantial ethical theory, to develop “moral pragmatics.” Moral pragmatics offers a constructive approach for making progress where traditional ethical theories converge, and it innovates ethical deliberation. Assuming widespread agreement that real moral problems need practical solutions, the paper addresses two related problems: the missing link between ethical theories and moral practice, and the question of who is in charge of finding such solutions. It argues that “conscience” can create a link between ethical knowledge and moral practice, and that this partly discharges “the ethicist” from the task of solving problems that are not really, or not only, hers. Two specific methodological innovations are suggested that go beyond admonitions to render ethics sensitive to context. Instead, a reevaluation of “casuistry” and a sensitivity for “finding the right words” give an idea of how to achieve this goal.  相似文献   

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Memory Development or the Development of Memory?   总被引:2,自引:0,他引:2  
For 30 years, the question "What is memory development the development of?" has guided research on children's memory. As theories and research paradigms have evolved over this period, so too has knowledge of the surprising mnemonic competence of young children and of age-related differences in memory performance. Never the less, there are serious limits to current understanding of the development of memory. Indeed, there have been few investigations of changes over time in the memory skills of individual children, and researchers have yet to shed much light on the more difficult question of "What are the forces that propel the development of skilled remembering?" From our perspective, the answer to this question will require movement toward longitudinal research designs that illuminate the mechanisms that bring about developmental change.  相似文献   

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Research by Siminoff and colleagues reveals that many lay people in Ohio classify legally living persons in irreversible coma or persistent vegetative state (PVS) as dead that additional respondents, although classifying such patients as living, would be willing to procure organs from them. This paper analyzes possible implications of these findings for public policy. A majority would procure organs from those in irreversible coma or in PVS. Two strategies for legitimizing such procurement are suggested. One strategy would be to make exceptions to the dead donor rule permitting procurement from those in PVS or at least those who are in irreversible coma while continuing to classify them as living. Another strategy would be to further amend the definition of death to classify one or both groups as deceased, thus permitting procurement without violation of the dead donor rule. Permitting exceptions to the dead donor rule would require substantial changes in law--such as authorizing procuring surgeons to end the lives of patients by means of organ procurement--and would weaken societal prohibitions on killing. The paper suggests that it would be easier and less controversial to further amend the definition of death to classify those in irreversible coma and PVS as dead. Incorporation of a conscience clause to permit those whose religious or philosophical convictions support whole-brain or cardiac-based death pronouncement would avoid violating their beliefs while causing no more than minimal social problems. The paper questions whether those who would support an exception to the dead donor rule in these cases and those who would support a further amendment to the definition of death could reach agreement to adopt a public policy permitting organ procurement of those in irreversible coma or PVS when proper consent is obtained.  相似文献   

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This paper re‐visits Murray Jackson's 1961 paper in the Journal of Analytical Psychology, ‘Chair, couch and countertransference’, with the aim of exploring the role of the couch for Jungian analysts in clinical practice today. Within the Society of Analytical Psychology (SAP) and some other London‐based societies, there has been an evolution of practice from face‐to‐face sessions with the patient in the chair, as was Jung's preference, to a mode of practice where patients use the couch with the analyst sitting to the side rather than behind, as has been the tradition in psychoanalysis. Fordham was the founding member of the SAP and it was because of his liaison with psychoanalysis and psychoanalysts that this cultural shift came about. Using clinical examples, the author explores the couch/chair question in terms of her own practice and the internal setting as a structure in her mind. With reference to Bleger's (2013) paper ‘Psychoanalysis of the psychoanalytic setting’, the author discusses how the analytic setting, including use of the couch or the chair, can act as a silent container for the most primitive aspects of the patient's psyche which will only emerge in analysis when the setting changes or is breached.  相似文献   

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The study investigated how researchers have operationalized gender-concentrated occupations and educational settings. Over 30 studies in the area were presented to consider measurement approaches and problems. Conceptual and empirical measurement problems were addressed. The literature reviewed indicated that one of the most important issues in pursuing investigations of occupational gender concentrations is the development of methods to define and measure atypical or nontraditional occupations.  相似文献   

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