首页 | 本学科首页   官方微博 | 高级检索  
文章检索
  按 检索   检索词:      
出版年份:   被引次数:   他引次数: 提示:输入*表示无穷大
  收费全文   133篇
  免费   6篇
管理学   23篇
人口学   11篇
丛书文集   1篇
理论方法论   11篇
综合类   3篇
社会学   64篇
统计学   26篇
  2022年   1篇
  2021年   2篇
  2020年   1篇
  2019年   3篇
  2018年   7篇
  2017年   5篇
  2016年   3篇
  2015年   9篇
  2014年   11篇
  2013年   13篇
  2012年   11篇
  2011年   4篇
  2010年   5篇
  2009年   4篇
  2008年   3篇
  2007年   2篇
  2006年   6篇
  2005年   6篇
  2004年   3篇
  2003年   6篇
  2002年   3篇
  2001年   2篇
  1999年   2篇
  1998年   3篇
  1997年   2篇
  1996年   1篇
  1995年   4篇
  1994年   2篇
  1993年   1篇
  1992年   1篇
  1991年   3篇
  1990年   1篇
  1989年   1篇
  1988年   1篇
  1987年   1篇
  1985年   1篇
  1984年   1篇
  1978年   1篇
  1975年   1篇
  1972年   1篇
  1971年   1篇
排序方式: 共有139条查询结果,搜索用时 15 毫秒
31.
32.
Social Indicators Research - Objective: To explain the global quality of life (QOL) from 2000 indicators representing all aspects of life. Design and setting: Two cross sectional population...  相似文献   
33.
This paper analyses if individual coping strategies explain heterogeneous effects of participation in active labour market programs (ALMPs) on reemployment probabilities for the unemployed. I use survey data linked with administrative data from Statistics Denmark and focus on respondents who are unemployed or participating in ALMPs (n = 1310). To account for selection bias I analyse the data with a mixed logit model. I find that the coping strategies displayed by the unemployed persons explain heterogeneous effects of participation in ALMPs.  相似文献   
34.
We develop general model‐free adjustment procedures for the calculation of unbiased volatility loss functions based on practically feasible realized volatility benchmarks. The procedures, which exploit recent nonparametric asymptotic distributional results, are both easy‐to‐implement and highly accurate in empirically realistic situations. We also illustrate that properly accounting for the measurement errors in the volatility forecast evaluations reported in the existing literature can result in markedly higher estimates for the true degree of return volatility predictability.  相似文献   
35.
Interspecies scaling factors (ISFs) are numbers used to adjust the potency factor (for example, the q1* for carcinogens or reference doses for compounds eliciting other toxic endpoints) determined in experimental animals to account for expected differences in potency between test animals and people. ISFs have been developed for both cancer and non-cancer risk assessments in response to a common issue: toxicologists often determine adverse effects of chemicals in test animals and then they, or more commonly risk assessors and risk managers, have to draw inferences about what these observations mean for the human population. This perspective briefly reviews the development of ISFs and their applications in health risk assessments over the past 20 years, examining the impact of pharmacokinetic principles in altering current perceptions of the ISFs applied in these health risk assessments, and assessing future directions in applying both pharmacokinetic and pharmacodynamic principles for developing ISFs.  相似文献   
36.
The content and valence of women's body image attitudes, general and enduring positive or negative feelings about the body, are studied with psychometric analyses of measures and contrasted groups. Data from two frequently used measures (Body Image Scale, Derogatis & Melisaratos, 1979; Body Satisfaction Scale, Berscheid, Walster & Bohrnstedt, 1973) provided an evaluation of the construct and the assessment of body image. Two studies are provided. The construct analyses suggest two contents for body attitude measures: a general factor of body, facial, and sexual (genital and breast) items, and a second factor assessing weight and/or its body correlates-the hips, thighs, and buttocks. Also, a method factor, a response style of negativity, may be important. Body image attitudes are correlated with some conceptually relevant criteria, such as interest in engaging in sexual activity; however, these relationships do not appear sufficiently strong to predict behavior, such as the occurrence or resolution of sexual dysfunction. Generalized body image disturbance as currently conceptualized and assessed may be difficult to document, particularly when item content and response styles are considered.  相似文献   
37.
The Journal invited Tom Andersen, author of major pioneering work on the reflecting team, and his colleagues, to offer comment on The Reflecting Team Process in Training. We thought such a north-south dialogue was in keeping with the spirit of reflecting teams, and the team members in Melbourne and Tromsø agree — Editor.  相似文献   
38.
The approximate solution of the two-stage clonal expansion model of cancer may substantially deviate from the exact solution, and may therefore lead to erroneous conclusions in particular applications. However, for time-varying parameters the exact solution (method of characteristics) is not easy to implement, hampering the accessibility of the model to nonmathematicians. Based on intuitive reasoning, Clewell et al. (1995) proposed an improved approximate solution that is easy to implement whatever time-varying behavior the parameters may have. Here we provide the mathematical foundation for the approximation suggested by Clewell et al. (1995) and show that, after a slight modification, it is in fact an exact solution for the case of time-constant parameters. We were not able to prove that it is an exact solution for time-varying parameters as well. However, several computer simulations showed that the numerical results do not differ from the exact solution as proposed by Moolgavkar and Luebeck (1990). The advantage of this alternative solution is that the hazard rate of the first malignant cell can be evaluated by numerically integrating a single differential equation.  相似文献   
39.
Using data from the World Values Survey and national‐level indicators for 24 modern democracies, we assess the influence of social class and economic inequality on preferences for government responsibility. We improve on previous research by using multilevel models that account for differences in attitudes both within (i.e., over time) and across countries. Our findings are consistent with the economic self‐interest hypothesis. Specifically, working class individuals, who tend to gain the most from government intervention because of their low and often more precarious economic position, are more likely than others to support government intervention. We also find a positive relationship between national‐level income inequality and support for government intervention. As income inequality rises, its social ills tend to be more pervasive, resulting in public opinion becoming more supportive of governments taking responsibility for their citizens. We further demonstrate that inequality moderates the relationship between social class and attitudes. Although the effect of income inequality is positive for all social classes, attitudes across social classes become more similar as inequality rises. Utilisant les données de World Values Survey et indicateurs de niveau national, nous évaluons l'influence de la classe sociale et l'inégalité économique sur les préférences en matière de responsabilité du gouvernement dans 24 démocraties modernes. Notre analyse se améliore sur la recherche précédente en utilisant des modèles à plusieurs niveaux qui tiennent compte des différences dans les attitudes au sein (ce est à dire, au fil du temps) et entre les pays. Nos résultats sont cohérents avec l'hypothèse d'auto‐ intérêt économique. Par exemple, les travailleurs ‐ qui ont tendance à bénéficier plus quand le gouvernement intervient dans l’économie en raison de leurs faibles revenus et souvent position plus précaire ‐ sont plus susceptibles que d'autres à un soutien responsabilité du gouvernement. Nous constatons également une relation positive entre l'inégalité des revenus au niveau national et le soutien à l'intervention du gouvernement. Comme l'inégalité des revenus se élève—et ses maux sociaux ont tendance à être plus répandue—l'opinion publique devient plus favorable des gouvernements assument la responsabilité de citoyens. Tout aussi important, cependant, nous démontrons également que la relation entre la social classe et les préférences pour la responsabilisation du gouvernement diffèrent par la quantité de l'inégalité des revenus dans un pays. Bien que l'effet de l'inégalité des revenus est positif pour toutes les classes sociales, les différences dans les attitudes de la classes sociale convergent que l'inégalité augmente.  相似文献   
40.
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号