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51.
The influence of hierarchy on probability judgment 总被引:6,自引:0,他引:6
Consider the task of predicting which soccer team will win the next World Cup. The bookmakers may judge Brazil to be the team most likely to win, but also judge it most likely that a European rather than a Latin American team will win. This is an example of a non-aligned hierarchy structure: the most probable event at the subordinate level (Brazil wins) appears to be inconsistent with the most probable event at the superordinate level (a European team wins). In this paper we exploit such structures to investigate how people make predictions based on uncertain hierarchical knowledge. We distinguish between aligned and non-aligned environments, and conjecture that people assume alignment. Participants were exposed to a non-aligned training set in which the most probable superordinate category predicted one outcome, whereas the most probable subordinate category predicted a different outcome. In the test phase participants allowed their initial probability judgments about category membership to shift their final ratings of the probability of the outcome, even though all judgments were made on the basis of the same statistical data. In effect people were primed to focus on the most likely path in an inference tree, and neglect alternative paths. These results highlight the importance of the level at which statistical data are represented, and suggest that when faced with hierarchical inference problems people adopt a simplifying heuristic that assumes alignment. 相似文献
52.
It is well-known that the representations of the Thurstonian models for difference judgment data are not unique. It has been shown that equivalence classes can be formed to provide a more meaningful partition of the covariance structures of the Thurstonian ranking models. In this paper, we examine the equivalence relations between Thurstonian covariance structure models for paired comparison data obtained under multiple judgment and discuss their implications on the general identification constraints and methods to check for parameter identifiability in restricted models.The author is indebted to Ulf Böckenholt and Albert Maydeu-Olivares for their significant comments and suggestions which led to considerable improvement in this article. 相似文献
53.
This paper forms an introduction to this issue, the contents of which arose directly or indirectly from a conference in May 2001 on Corruption of scientific integrity? — The commercialisation of academic science. The introduction, in recent decades, of business culture and values into universities and research institutions is incompatible with the openness which scientific and all academic pursuit traditionally require. It has given rise to a web of problems over intellectual property and conflict of interest which has even led to corporate sponsors’ suppressing unfavourable results of clinical trials, to the detriment of patients’ health. Although there are those who see the norms of science developing to recognise the importance of instrumental science aiming at specific goals and of knowledge judged by its value in a context of application, none justifies the covert manipulation of results by vested interest.Public awareness of these problems is growing and creating a climate of opinion where they may be addressed. We suggest a way forward by the introduction of nationally and internationally-accepted guidelines for industrial collaboration which contain proper protections of the core purposes of universities and of the independence of their research. Some codes suggested for this purpose are discussed. We note that some universities are moving to adopt such codes of conduct, but argue the need for strong support from the government through its funding bodies. 相似文献
54.
Pritchard MS 《Science and engineering ethics》2001,7(3):391-402
Engineering Ethics literature tends to emphasize wrongdoing, its avoidance, or its prevention. It also tends to focus on identifiable
events, especially those that involve unfortunate, sometimes disastrous consequences. This paper shifts attention to the positive
in engineering practice; and, as a result, the need for addressing questions of character and imagination becomes apparent. 相似文献
55.
Herkert JR 《Science and engineering ethics》2001,7(3):403-414
Three frames of reference for engineering ethics are discussed—individual, professional and social—which can be further broken
down into “microethics” concerned with individuals and the internal relations of the engineering profession and “macroethics”
referring to the collective social responsibility of the engineering profession and to societal decisions about technology.
Few attempts have been made at integrating microethical and macroethical approaches to engineering ethics. The approach suggested
here is to focus on the role of professional engineering societies in linking individual and professional ethics and in linking
professional and social ethics. A research program is outlined using ethics support as an example of the former, and the issuance
of position statements on product liability as an example of the latter.
An earlier version of this paper was presented at the International Symposium on Technology and Society 2000 (ISTAS 2000),
Rome, Italy, 7 September 2000.
Joseph R. Herkert directs a dual-degree program in engineering and humanities/social sciences and is editor of Social, Ethical, and Policy Implications of Engineering (Wiley/IEEE Press). 相似文献
56.
The research reported here focuses on the early acquisition of event structure in German. Based on longitudinal studies from 5 normally developing (ND) and 6 language-impaired (LI) children, a model of "event structural bootstrapping" is presented that spells out how ND children log into the verb lexicon. They project a target-consistent event tree, depicting the head-of-event of transitions. Young LI children, failing to employ this bootstrapping strategy, resort to radically underspecified event representations. The results from a truth-value judgment experiment with 16 ND and 16 LI children showed that ND children perform correctly on transitional verbs, while LI children perform at chance level on the same tasks. These findings are accounted for by the model of event structural bootstrapping to the extent that LI children lack an explicit representation of the head-of-event. 相似文献
57.
58.
Ruth Ludwick Richard O'Toole Anita W. O'Toole Stephen Webster 《Journal of Clinical Geropsychology》1999,5(3):177-189
The use of a factorial survey to measure the clinical judgments of professionals is described. This design allows the researcher to partial out the effects of variables on clinical decision making while using probability sampling. Methods frequently used to study judgments are reviewed and a study of nurses' judgments about patients' confusional episodes are used to illustrate the application of the factorial survey. Acute confusion in patients is a common clinical problem for nurses working in medical-surgical units in acute care hospitals. Using the factorial survey to study a real-life problem such as confusion demonstrates how this design can be used to test judgments in complex clinical situations, to aid in concept development, and to identify consensus among professionals. 相似文献
59.
This contribution first searches for historical and empirical evidence for whether and how curricula act or acted as a measure of public education. The problem is explicated on account of a short history of curriculum work and distinguished in a analytical, a political, programmatical and practical discourse of curriculum work. Curriculum work always underlies premises of planning, learning and effects. Three models are finally developed and brought in touch with the different discourses. Curriculum work proves to be an attempt to make publicly acceptable the empirically impossible accountability of schools. 相似文献
60.
Doing Pentecostal Civic Engagement in the Squatter Area of Lower Rock Quarry,Baguio City,Philippines
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Joel A. Tejedo 《International review of missions》2018,107(1):159-178
Pentecostals are frequently placed on the sidelines of civic engagement, seen as participating less in public life because of their preoccupation with other‐worldly eschatology and their one‐way‐ticket evangelistic efforts. This study does not share the above view, but argues that Pentecostal civic engagement 1 has been increasingly recognized as resource capital that empowers the lives of the poor. This paper investigates the impact of Pentecostal/charismatic religion on civil society, asking what contribution the study of “spirit empowered” religion can make to our understanding of the role of religion in human society. Using a quantitative and qualitative approach to flesh out empirical evidence, this study reveals what Filipino Pentecostals believe and practise with regard to civic engagement. It provides a case study of findings to further point out that Pentecostals in the Philippines are not on the sidelines of civic engagement, but are one of the religious players in the creation of a just and loving society. 相似文献