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31.
We propose a procedure to identify a lowest dose having greater effect than a threshold dose under the assumption of monotonicity of dose mean response in dose response test. So, we use statistics based on contrasts among sample means and apply a group sequential procedure to our procedure to identify effectively the dose. If we can identify the dose at an early step in the sequential test, since we can terminate the procedure with a few observations, the procedure is useful from an economical point of view. In a simulation studies, we compare the superiority among these procedures based on three contrasts. 相似文献
32.
Over the past generation, sexual minorities—particularly lesbian, gay, bisexual, and transgender (LGBT) persons—have gained increased visibility in the public arena. Yet organizational research has lagged behind in recognizing and studying this category of organizational members. This article offers a critical review of this growing body of research. More specifically, we identify and discuss four dominant scholarly frames that have informed LGBT organizational research from the late nineteenth century to date. The frames include a “medical abnormality,” “deviant social role,” “collective identity,” and “social distinctiveness” view of sexual minorities. We argue that these frames have profoundly shaped the scope and range of organizational scholarship devoted to sexual minorities by showing that scholars using such contrasted frames have been drawn to very different research questions with respect to sexual minorities. We document and discuss the main and contrasted questions asked within each of these frames and show how they have both enabled and constrained LGBT organizational research. We conclude by calling for more attention to the frames organizational scholars adopt when studying sexual minorities, but also for more research on both minority and majority sexual orientations in organizations. 相似文献
33.
卞仁海 《河南科技大学学报(社会科学版)》2014,(6):59-63
避讳学是一门研究避讳现象发生发展的一般规律及其应用的边缘学科,历史悠久、文献丰富、成就巨大是我国避讳学研究的最显著特点。伴随一部避讳史,也有一部中国避讳学史。中国避讳学史可分为四个时期:一是避讳史料学时期——先秦至明代,二是避讳学的萌芽期——清代,三是避讳学的形成期——近代,四是避讳学的发展期——现代。 相似文献
34.
The paper examines changes in the influence of family background, including socioeconomic and social background variables on educational attainment in Australia for cohorts born between 1890 and 1982. We test hypotheses from modernization theory on sibling data using random effects models and find: (i) substantial declines in the influence of family background on educational attainment (indicated by the sibling intraclass correlations); (ii) declines in the effects of both economic and cultural socioeconomic background variables; (iii) changes in the effects of some social background variables (e.g., family size); (iv) and declines in the extent that socioeconomic and social background factors account for variation in educational attainment. Unmeasured family background factors are more important, and proportionally increasingly so, for educational attainment than the measured socioeconomic and social background factors analyzed. Fixed effects models showed steeper declines in the effects of socioeconomic background variables than in standard analyses suggesting that unmeasured family factors associated with socioeconomic background obscure the full extent of the decline. 相似文献
35.
刘淮南 《云南大学学报(社会科学版)》2017,16(6):76-80
文学与文化的天然关系,决定了文学性与文化性的必然联系。如果文学的情感性、想象性和形象性突破了已有文化的规范,恰恰是文学价值的高度体现,甚至会成为某种时代的文化标高。“文化研究”无疑拓展了文学研究的视野,但是,只有与其他学科联系起来,关注创造性这一文化深层次方面的内容,才能在更高的视域中认识中国文化,同时为文学研究带来新的生机。 相似文献
36.
Sule Toktas 《Journal of historical sociology》2017,30(3):674-688
This article uses a comparative approach to discuss women's access to property using evidence collected from field research conducted on two distinct communities of Istanbul: one secular and one Islamic. The two groups of women possess distinctly different views of the world and how it is organized. This is particularly the case concerning gender where secular women put forth a view rooted in the sameness of the genders where the Islamic women were clear in their commitment to the idea of difference. These attitudes toward the equality and difference of the genders structures the relations of these women to property and the process of inheritance. 相似文献
37.
赵康 《西南农业大学学报(社会科学版)》2019,6(3):14-20
生活史研究已日渐运用于当代教育研究中。英国教育社会学家艾沃·古德森不仅较早地将其用于课程研究,还更多地用于教师研究。文章考察了古德森不同阶段的教师研究,分析了生活史研究在教师研究中所扮演的角色:为教师生活研究提供研究方法;为在"中间地带"建构理论提供资源;为促成教师"叙事学习"和"叙事教学"场域奠定基础。指出运用生活史研究是古德森教师研究生涯中一以贯之的思想,背后有其对教师深刻的社会关怀。这一思想在其教师研究中扮演着多重角色,对我国教师和教师教育研究者及实践者而言,有诸多借鉴意义。 相似文献
38.
Panos G. Georgopoulos Christopher J. Brinkerhoff Sastry Isukapalli Michael Dellarco Philip J. Landrigan Paul J. Lioy 《Risk analysis》2014,34(7):1299-1316
A challenge for large‐scale environmental health investigations such as the National Children's Study (NCS), is characterizing exposures to multiple, co‐occurring chemical agents with varying spatiotemporal concentrations and consequences modulated by biochemical, physiological, behavioral, socioeconomic, and environmental factors. Such investigations can benefit from systematic retrieval, analysis, and integration of diverse extant information on both contaminant patterns and exposure‐relevant factors. This requires development, evaluation, and deployment of informatics methods that support flexible access and analysis of multiattribute data across multiple spatiotemporal scales. A new “Tiered Exposure Ranking” (TiER) framework, developed to support various aspects of risk‐relevant exposure characterization, is described here, with examples demonstrating its application to the NCS. TiER utilizes advances in informatics computational methods, extant database content and availability, and integrative environmental/exposure/biological modeling to support both “discovery‐driven” and “hypothesis‐driven” analyses. “Tier 1” applications focus on “exposomic” pattern recognition for extracting information from multidimensional data sets, whereas second and higher tier applications utilize mechanistic models to develop risk‐relevant exposure metrics for populations and individuals. In this article, “tier 1” applications of TiER explore identification of potentially causative associations among risk factors, for prioritizing further studies, by considering publicly available demographic/socioeconomic, behavioral, and environmental data in relation to two health endpoints (preterm birth and low birth weight). A “tier 2” application develops estimates of pollutant mixture inhalation exposure indices for NCS counties, formulated to support risk characterization for these endpoints. Applications of TiER demonstrate the feasibility of developing risk‐relevant exposure characterizations for pollutants using extant environmental and demographic/socioeconomic data. 相似文献
39.
Carl Rhodes 《Culture and Organization》2015,21(4):289-303
A provocation?…?the minds of my generation of organizational theorists are haunted by the spectre of scientific discourse, shoehorned into dry genres, bullied by audit regimes that try to wring the passion out of thought. Without gaiety, the science that calls us has no exuberance, it cannot dance. What are the possibilities for writing about organizations that allows the heart's instincts to be followed, the vast possibilities of expression to be explored and enjoyed? I explore this through a form of writing known as fictocriticism – a writing engaged in genre-bending as a literary and theoretical engagement with existence and selfhood. Why import this term into organization studies? Might fictocriticism have some value to ‘us’ who locate ourselves here? I am engaging in a form of romance; a courtship of ideas from elsewhere. What might result from this union is not clear, but it offers hope, excitement and promise. 相似文献
40.
Patrícia M. Pascoal Pedro J. Rosa Elizabet Pereira da Silva Pedro J. Nobre 《心理学和人类性特征杂志》2018,30(1):60-71
Dysfunctional sexual beliefs are vulnerability factors for sexual dysfunction. This cross-sectional study aimed to test the mediating role of cognitive distraction on the relationship between dysfunctional sexual beliefs about sexual functioning shared by men and women and sexual function. The authors used a sample of 421 cisgender heterosexual participants involved in a monogamous relationship. The hypothesized mediation model was tested using a bootstrapped cross product of coefficients approach. Results showed a significant negative, indirect effect between dysfunctional sexual beliefs and women's sexual function through cognitive distraction. The discussion of this study highlights the importance of cognitive factors in sexual functioning. 相似文献