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This article presents a qualitative risk assessment of the acquisition of meticillin‐resistant Staphylococcus aureus (MRSA) in pet dogs, representing an important first step in the exploration of risk of bidirectional MRSA transfer between dogs and humans. A conceptual model of the seven potential pathways for MRSA acquisition in a dog in any given 24‐hour period was developed and the data available to populate that model were considered qualitatively. Humans were found to represent the most important source of MRSA for dogs in both community and veterinary hospital settings. The environment was found to be secondary to humans in terms of importance and other dogs less still. This study highlights some important methodological limitations of a technique that is heavily relied upon for qualitative risk assessments and applies a novel process, the use of relative risk ranking, to enable the generation of a defensible output using a matrix combination approach. Given the limitations of the prescribed methods as applied to the problem under consideration, further validation, or repudiation, of the findings contained herein is called for using a subsequent quantitative assessment. 相似文献
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Reid Bates Elwood F. Holton III John Paul Hatala 《Human Resource Development International》2013,16(5):549-569
The learning transfer system inventory (LTSI) is an empirically derived self-report 16-factor inventory designed to assess individual perceptions of catalysts and barriers to the transfer of learning from work-related training. Although a good deal of research has been done addressing various dimensions of the LTSI's construct validity, minor discrepancies in factor solutions in several studies together with problematic fit of some items suggest that further construct validity research is needed. Using data collected in 17 countries and utilizing 14 different language versions of the LTSI, the research objectives for this research were to (1) determine the number and nature of common factors involved to account for the pattern of correlations among the measured variables in LTSI version 3 using exploratory factor analysis (EFA) and (2) test via confirmatory factor analysis the validity of the factorial structure of the LTSI that emerged from the EFA and scale refinement efforts. Results provided strong support for the five- and 11-factor structure of the program-specific and training-general domains of a 48-item LTSI. 相似文献
165.
Redistricting is the political practice of dividing states into electoral districts of equal population in response to decennial
census results to ensure equal representation in the legislative body. Where the boundaries are drawn can dramatically alter
the number of districts a given political party can win. As a result, a political party which has control over the legislature,
can (and does) manipulate the boundaries to win a larger number of districts, thus affecting the balance of power in the US
House of Representatives. This work introduces a novel solution to the problem of fairly redistricting a state that is motivated
by the ideas of fair division. Instead of trying to ensure fairness by restricting the shape of the possible maps or by assigning
the power to draw the map to nonbiased entities, this solution ensures fairness by balancing competing interests against each
other. Essentially, it is a simple interactive protocol that presents two parties with the opportunity to achieve their fair
representation in a state (where the notion of fairness is rigorously defined) and as a result a balanced electoral map is
created. 相似文献
166.
Composite likelihood methods have been receiving growing interest in a number of different application areas, where the likelihood function is too cumbersome to be evaluated. In the present paper, some theoretical properties of the maximum composite likelihood estimate (MCLE) are investigated in more detail. Robustness of consistency of the MCLE is studied in a general setting, and clarified and illustrated through some simple examples. We also carry out a simulation study of the performance of the MCLE in a constructed model suggested by Arnold (2010) that is not multivariate normal, but has multivariate normal marginal distributions. 相似文献
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Reid J. Daitzman 《Journal of marital and family therapy》1977,3(4):3-9
The research, clinical applications, and effects of audiotape and videotape self-confrontation techniques to family therapy are reviewed. A variety of new applications, such as cross-confrontation and interpersonal process recall, are integrated into the practice of family therapy. Thirteen specific audiovisual self-confrontation methods are reviewed along with reported positive and negative effects of their use. As most novel additions to a therapists "bag of tricks", self-confrontation methods are being abused, applied randomly and unsystematically. There is an urgent need for well-designed and relevant research in the area. 相似文献
170.