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91.
Mary J. Bartholomew David J. Vose Linda R. Tollefson Curtis C. Travis 《Risk analysis》2005,25(1):99-108
A linear population risk model used by the U.S. Food and Drug Administration (FDA) Center for Veterinary Medicine (CVM) estimates the risk of human cases of campylobacteriosis caused by fluoroquinolone-resistant Campylobacter. Among the cases of campylobacteriosis attributed to domestically produced chicken, the fluoroquinolone resistance is assumed to result from the use of fluoroquinolones in poultry in the United States. Properties of the linear population risk model are contrasted with those of a farm-to-fork model commonly used for microbial risk assessments. The utility of the linear population model for the purpose for which it was used by CVM is discussed. 相似文献
92.
This study examined the predisposition to seek mental health care in the future for personal and mental health problems among Black males transitioning from the foster care system (n=74). Results of simultaneous multiple regression analysis showed that custody status, diagnosis of a DSM-IV psychiatric disorder, and emotional control contributed significantly to the prediction of Black male's predisposition to seek mental health care. Specifically, Black males who were still in foster care were more predisposed to seek mental health care, whereas those diagnosed with a DSM-IV psychiatric disorder and who adhered more to the norm of emotional control were less predisposed to seek mental health care. Implications for mental health service delivery are discussed. 相似文献
93.
DISCOUNTING,COGNITION, AND FINANCIAL AWARENESS: NEW EVIDENCE FROM A CHANGE IN THE MILITARY RETIREMENT SYSTEM
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The choice given military personnel between an immediate cash payment of $30,000 or a more generous retirement pension permits us to estimate individuals' personal discount rates (PDRs). The resulting PDRs, about 7% for enlisted personnel and 2%–4.3% for officers, are precise and are correlated with a variety of other financial behaviors. The PDR is negatively related to educational attainment and the Armed Forces Qualification Test, but cognition seems to operate through channels other than being better informed; better‐informed individuals were not always measured to be more patient. (JEL D91, D14) 相似文献
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Abstract Current debates and conflicts in agriculture appear to reflect the competing perspectives of two increasingly distinct camps of agricultural stakeholders: proponents of “alternative agriculture” and proponents of “conventional agriculture.” Several analysts have argued that members of these two camps hold fundamentally divergent paradigms of agriculture, and thus, literally see the world quite differently. The purpose of this paper is to describe an instrument—the Alternative-Conventional Agriculture Paradigm Scale (or ACAP Scale)—developed to measure the basic beliefs and values assumed to constitute the two competing perspectives in agriculture. Items designed to tap all of the major dimensions identified in the alternative-conventional agriculture debate were included in surveys of known groups of alternative and conventional agriculturalists, as well as in a statewide survey of farmers. The items discriminate significantly between the three samples (with the statewide farmer sample taking the intermediate position), suggesting their validity as measures of the elements of the competing agricultural paradigms. The items also exhibit a high degree of internal consistency, indicating the appropriateness of combining them into a single instrument to measure adherence to alternative versus conventional agriculture. As expected, the known groups provide more consistent responses than do the statewide sample of farmers, presumably reflecting the greater ideological coherence of social movement and interest group members. However, the alternative agriculturalists are far more consistent than are the conventional agriculturalists, and potential explanations for this finding are drawn from recent work on social movements. 相似文献
96.
Victor Groze PhD J. Curtis McMillen MSW Mark Haines-Simeon MSW 《Child and Adolescent Social Work Journal》1993,10(1):67-87
This is a study to examine the characteristics of families providing foster care for children with HIV. The paper discussed the special problems of children with AIDS. In addition HIV foster families were compared with other foster families to determine if there were any differences. Implications for recruiting foster families for children with HIV are discussed. 相似文献
97.
This paper reexamines the scaling approaches used in cancer risk assessment and proposes a more precise body weight scaling factor. Two approaches are conventionally used in scaling exposure and dose from experimental animals to man: body weight scaling (used by FDA) and surface area scaling (BW0.67--used by EPA). This paper reanalyzes the Freireich et al. (1966) study of the maximum tolerated dose (MTD) of 14 anticancer agents in mice, rats, dogs, monkeys, and humans, the dataset most commonly cited as justification for surface area extrapolation. This examination was augmented with an analysis of a similar dataset by Schein et al. (1970) of the MTD of 13 additional chemotherapy agents. The reanalysis shows that BW0.75 is a more appropriate scaling factor for the 27 direct-acting compounds in this dataset. 相似文献
98.
99.
A centralized political context such as China provides a harsh environment for public involvement program that intends to
share decision-making power with the public, however, there are still learning opportunities that can survive and prepare
the public for a meaningful participation in the future. This article illustrates this point by designing a public involvement
program that is implementable and educational in Nanji Islands, China. The public involvement program is designed to solve
conflicts and tension regarding to an immigration plan between the public and local government and organized by a third party.
It includes information sharing, public representatives election, and negotiation meeting between public representatives and
governmental officials. The six-dimension framework from Alterman’s classic work is employed to test its feasibility within
the local context.
Ganlin Huang is a postdoctoral associate, Department of Plant Sciences, University of California, Davis. She received her Ph.D. from Rubenstein School of Environment and Natural Resources, University of Vermont. Her research focuses on community participation, resource management and environmental justice. She uses both qualitative (case study) and quantitative (statistics, GIS, and spatial analysis) research methods. Curtis Ventriss is a Professor of Public Policy, Rubenstein School of Environment and Natural Resources, University of Vermont. He is also an Adjunct Professor, Institute for Policy Studies, Johns Hopkins University where he teaches graduate courses in public policy and policy ethics. He has been a Visiting Professor at the University of Oxford and Johns Hopkins University. He has published over 100 articles in public management and public policy and was the former Associate Editor of Public Administration Review. 相似文献
Curtis VentrissEmail: |
Ganlin Huang is a postdoctoral associate, Department of Plant Sciences, University of California, Davis. She received her Ph.D. from Rubenstein School of Environment and Natural Resources, University of Vermont. Her research focuses on community participation, resource management and environmental justice. She uses both qualitative (case study) and quantitative (statistics, GIS, and spatial analysis) research methods. Curtis Ventriss is a Professor of Public Policy, Rubenstein School of Environment and Natural Resources, University of Vermont. He is also an Adjunct Professor, Institute for Policy Studies, Johns Hopkins University where he teaches graduate courses in public policy and policy ethics. He has been a Visiting Professor at the University of Oxford and Johns Hopkins University. He has published over 100 articles in public management and public policy and was the former Associate Editor of Public Administration Review. 相似文献
100.
The purpose of this paper is to review briefly the evidence for potential human health effects that may result from increased dieselization of the nation's light-duty vehicle fleet. An effort is made to put the potential effects into perspective, both with regard to projected excess cancer deaths, should diesel exhaust be carcinogenic to humans, and in relation to past use of vehicles using leaded gasoline. Certain related research needs are highlighted. Available data concerning the relationship between diesel emissions, ambient air quality, and human health are summarized. On the basis of exposure estimates and relative potency factors, the authors conclude that the best estimate of the number of excess annual U.S. lung cancer deaths as a result of lifetime exposure to light-duty diesel particulate under 1990 conditions is between 80 and 1500. Available data suggest that the carcinogenic hazard of exhaust from vehicles burning leaded gasoline may be an order of magnitude greater, on a per mile basis, than that of diesel engines. The hazard of emissions from diesel are, in turn, probably an order of magnitude greater than that of gasoline engines with catalytic converters burning unleaded gasoline. Important research needs identified by the authors include determining whether diesel exhaust is in fact a human carcinogen, studying the effect of atmospheric chemical transformation of organics in diesel exhaust on the toxicity of the exhaust, making a better determination of the relative carcinogenicity of diesel and gasoline exhausts, and determining whether exposure to diesel exhaust contributes to the development or exacerbation of chronic lung disease or of respiratory illness, especially in the very young and the aged. 相似文献