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131.
An agent can usually hold a very large number of beliefs. However, only a small part of these beliefs is used at a time. Efficient operations for belief change should affect the beliefs of the agent locally, that is, the changes should be performed only in the relevant part of the belief state. In this paper we define a local consequence operator that only considers the relevant part of a belief base. This operator is used to define local versions of the operations for belief change. Representation theorems are given for the local operators. 相似文献
132.
Dr. Astrid Sonntag Heide Glaesmer Sven Barnow Elmar Brähler Jörg M. Fegert Steffen Fliegel Harald J. Freyberger Lutz Goldbeck Steffi Kohl Judith Lebiger-Vogel Marianne Leuzinger-Bohleber Felicitas Michels-Lucht Nina Spröber Ulrike Willutzki Bernhard Strauß 《Psychotherapeut》2009,54(6):427-436
Background
A survey was performed to assess the current situation in education and to identify critical issues 10 years after the inception of the German law regulating the education of psychological psychotherapists and child and adolescent psychotherapists. The study reports the results of a nationwide survey of German psychological psychotherapists and child and adolescent psychotherapists currently in training. The aim of the survey was to evaluate the individual sections of training, desired alterations and structural and financial conditions.Methods
All trainees were contacted via the training institutes and the umbrella organizations. A total of 3,223 trainees participated and answered questions mainly using an online questionnaire.Results
Most respondents practiced their training part-time and in most cases the trainees thought that the training would last longer than initially expected. The practical training was rated most poorly, whereas practical education and individual supervision were rated as most useful. The survey revealed deficits concerning the evaluation of the quality of several components of the training.Conclusions
From the perspective of the trainees there is a necessity to modify the financial conditions of the training. This result has been considered in the recommendations of a research expertise on psychotherapy training and should stimulate further research. 相似文献133.
Sven Olaf Hoffmann 《Forum der Psychoanalyse》1999,15(3):237-252
134.
Tonya D. Armstrong Larry D. Crum Randall H. Rieger Trude A. Bennett Lloyd J. Edwards 《Journal of applied social psychology》1999,29(3):552-574
The underrepresentation of African Americans in medical research is problematic for several reasons, including disparities in health outcomes, differences in metabolism of pharmacological agents, and accurate assessment of health needs and costs. This paper investigates factors contributing to African Americans' lower likelihood of consenting to participation in medical research. In Study 1, three focus groups were conducted to assess concerns about research participation and to generate further hypotheses for questionnaire development. Study 2 presented a hypothetical clinical trial and collected questionnaire data on attitudes about participation. Both studies revealed a greater likelihood to mistrust the medical establishment among African American students. However, suspicion did not contribute to a decreased likelihood of participation. Several recommendations are offered regarding the recruitment of African Americans in research. 相似文献
135.
Hansson SO 《Theoretical medicine and bioethics》2006,27(2):149-167
A probabilistic explication is offered of equipoise and uncertainty in clinical trials. In order to be useful in the justification
of clinical trials, equipoise has to be interpreted in terms of overlapping probability distributions of possible treatment
outcomes, rather than point estimates representing expectation values. Uncertainty about treatment outcomes is shown to be
a necessary but insufficient condition for the ethical defensibility of clinical trials. Additional requirements are proposed
for the nature of that uncertainty. The indecisiveness of our criteria for cautious decision-making under uncertainty creates
the leeway that makes clinical trials defensible. 相似文献
136.
The present study presents timed norms for 590 pictures in Belgian Dutch. We determined name agreement and response latencies. Furthermore, we assessed which factors influenced the naming latencies of the pictures. It appeared that age-of-acquisition, the H-statistic (an index of name agreement), and the number of syllables of the dominant response were significant predictors of the naming latencies. These results are discussed in comparison with previous findings. 相似文献
137.
P. Sven Arvidson 《Human Studies》1996,19(1):71-84
There is a considerable amount of research being done on attention by cognitive psychologists. I claim that in the process of measuring and mapping consciousness, these researchers have missed important phenomenological findings. After a synopsis and illustration of the nature of attention as described by Aron Gurwitsch, I critique the assumptions of current psychological research on this topic. Included is discussion of the metaphor of attention as a beam or spotlight, the concept of selective attention as the standard accomplishment, and the cognitive bestowal of organization on otherwise unorganized data. It is concluded that cognitive psychologists and others working on attention can benefit from Gurwitsch's work, and that a credible account of attention is crucial to the success of any comprehensive statement on the nature of consciousness. 相似文献
138.
Sven Ove Hansson 《Journal of Philosophical Logic》1996,25(3):307-332
A general format is introduced for deriving preferences over states of affairs from preferences over a set of contextually complete alternatives. Formal results are given both for this general format and for a specific instance of it that is a plausible explication of ceteris paribus prefence. 相似文献
139.
The efficiencies of two ways of providing feedback in teaching machines were studied. The task was to learn paired associates by choosing one alternative out of three to match a stimulus. Feedback was provided in one machine by immediately presenting a new item in the case of a correct response. In the other machine the correct associates were shown for 2 sec. after a correct choice had been made. The latter method was superior. The results are discussed in relation to theories concerning the effects of exposure time on rate of learning. 相似文献
140.
Sven Ove Hansson 《Synthese》1989,80(3):427-428
I would like to thank Ingmar Pörn for valuable comments on an earlier version of this paper. 相似文献