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181.
Statistical inference for olfactometer data 总被引:1,自引:0,他引:1
I. Ricard A. C. Davison 《Journal of the Royal Statistical Society. Series C, Applied statistics》2007,56(4):479-492
Summary. Olfactometer experiments are used to determine the effect of odours on the behaviour of organisms such as insects or nematodes, and typically result in data comprising many groups of small overdispersed counts. We develop a non-homogeneous Markov chain model for data from olfactometer experiments with parasitoid wasps and discuss a relation with the Dirichlet–multinomial distribution. We consider the asymptotic relative efficiencies of three different observation schemes and give an analysis of data intended to shed light on the effect of previous experience of odours in the wasps. 相似文献
182.
R. Eliasson. Lappalaine I. Nilsson. Motevasel 《International Journal of Social Welfare》1997,6(3):189-196
Care work is to a high degree equivalent with female work and has not, to any great extent, been of interest to traditional social sciences. Women's studies has however changed this, and today there is a broad academic discussion about care work as well as about the concept of care itself. This article reviews this discussion; the concepts of care and ethics are linked and given feminine content. With reference to studies within the authors' research programme: "Care for the elderly: conditions and everyday realities", results are then reviewed that show how organizational, political and ideological relationships affect the content and quality of care. Finally, European social policy trends and the consequences of new systems of paying for care are discussed from a gender perspective. The authors warn against a context-free coupling between women and an ethic of care, and show how neoliberal politics can use feminist "struggle concepts" to put women "back in their place". 相似文献
183.
Richard A. McCormick Ph.D. Julian I. Taber 《Journal of gambling studies / co-sponsored by the National Council on Problem Gambling and Institute for the Study of Gambling and Commercial Gaming》1991,7(2):99-108
Male pathological gamblers entering a comprehensive treatment program were followed-up for twelve months after treatment completion. Twelve month follow-up was obtained for 45 of the 66 patients entering treatment. Total abstinence was reported by 55% (n=25) of the patients located for twelve month follow-up. A relationship was found between abstinence at six month follow-up and selected subscales of the Wechsler Adult Intelligence Scale, performance scale. The implications of these findings for sub-typing gamblers are discussed. 相似文献
184.
I. Duchhart 《Journal of Rural Studies》1985,1(4):388
185.
I. McLean 《Social Choice and Welfare》1990,7(2):99-108
We report three medieval works, hitherto unknown to social choice, which discuss procedures for elections when there are more than two candidates. Two of the three propose Borda methods and the third a Condorcet method of successive pairwise comparison. All three discuss problems of manipulation. One of them displays a matrix for pairwise comparisons; this is a work written in 1299, nearly 600 years before the matrix notation was believed to have been invented by C. L. Dodgson. We conclude with a review of the theory of voting in medieval Europe.We acknowledge with gratitude the support of the Leverhulme Trust for IMcL's work on the history of social choice; William Riker for an initial lead on Nicolas Cusanus; Alexander Murray for translating Cusanus and reviewing IMcL's translation of Lull's Latin text; and Robert Pring-Mill for reviewing JL's translation of Lull's Catalan text. 相似文献
186.
The fertility decline that Turkey has gone through in the last few decades is characterised by sharp regional inequalities, with western regions representing patterns akin to developed countries and those in the east resembling “third-world” countries, while central regions represent an in-between case. With the help of geographically weighted regression (GWR), this article is an attempt to set up a model of causal relationships that could account for the regional fertility differentials. The results indicate that the fertility decline is not a single and all-embracing process covering all regions. On the contrary, there are regions differentiated qualitatively from each other in terms of the underlying causes of the existing fertility levels. 相似文献
187.
The extent to which cancer will be a burden on the Canadian health-care system will be determined by future cancer rates and future population levels in the high-risk age groups. Parametric models of incidence and mortality rates for various cancers may be used to obtain medium-term forecasts of rates, which then can be used in conjunction with population projections to obtain forecasts of total incidence and mortality. Age-period-cohort cancer data often exhibit marked heteroscedasticity, which complicates the modeling of the data. Methods to allow for the effects of this heteroscedasticity on residual processes are developed and discussed in the context of modeling Canadian female breast-cancer incidence data. 相似文献
188.
Donald I. Snyder 《International Journal of Sexuality and Gender Studies》2002,7(2-3):177-195
Web cams are cameras that are attached to a computer in order to send continuously updated pictures over the Internet. SeanPatrickLive is a Web cam site that documented the life of Sean, a gay man living in the Washington, D.C. area. This essay is the result of ethnographic interviews with Sean Patrick. It discusses Web cams within the context of the cyberqueer, examining how sexuality is presented on-line, using the Internet and the Web cam as a form of gay/queer politics, and performing identity on- and off-line. 相似文献
189.
Stephen D. Whitney M.S. Emiko A. Tajima Ph.D. Todd I. Herrenkohl Ph.D. Bu Huang Ph.D. 《Child and Adolescent Social Work Journal》2006,23(3):316-342
This study investigated child welfare practitioners’ ratings of the severity of parental discipline practices. Ratings varied by the type of act, age of the child, and by chronicity. Exploratory investigation into changes across time found that current practitioners (N = 27) rated several practices (e.g. spanking and shaking) as more severe than did professionals (N = 24) sampled in 1977. Results underscore the complexity of defining child maltreatment and offer implications for practitioners, applied researchers, and child welfare policy makers.The authors Stephen D. Whitney, Emiko A. Tajima, Todd I. Herrenkohl, and Bu Huang are affiliated with the School of Social Work, University of Washington.Work on this project is supported by funds from the Social Work Prevention Research Center, School of Social Work, University of Washington (National Institute of Mental Health Grant R24MH56599, Lewayne Gilchrist, PI) and by the University of Washington Royalty Research Fund. 相似文献
190.