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   1729篇
  免费   31篇
管理学   282篇
民族学   9篇
人口学   113篇
丛书文集   8篇
理论方法论   201篇
综合类   21篇
社会学   841篇
统计学   285篇
  2023年   12篇
  2022年   5篇
  2021年   10篇
  2020年   31篇
  2019年   53篇
  2018年   45篇
  2017年   61篇
  2016年   43篇
  2015年   45篇
  2014年   58篇
  2013年   279篇
  2012年   67篇
  2011年   59篇
  2010年   55篇
  2009年   46篇
  2008年   59篇
  2007年   54篇
  2006年   53篇
  2005年   52篇
  2004年   48篇
  2003年   46篇
  2002年   44篇
  2001年   41篇
  2000年   33篇
  1999年   37篇
  1998年   30篇
  1997年   31篇
  1996年   17篇
  1995年   23篇
  1994年   25篇
  1993年   11篇
  1992年   12篇
  1991年   17篇
  1990年   15篇
  1989年   7篇
  1988年   24篇
  1987年   15篇
  1986年   19篇
  1985年   14篇
  1984年   18篇
  1983年   15篇
  1982年   11篇
  1981年   22篇
  1980年   18篇
  1979年   17篇
  1978年   12篇
  1977年   7篇
  1976年   11篇
  1975年   9篇
  1974年   7篇
排序方式: 共有1760条查询结果,搜索用时 26 毫秒
61.
Understanding the distribution of socioeconomic status (SES) and its temporal dynamics within a population is critical to ensure that policies and interventions adequately and equitably contribute to the well-being and life chances of all individuals. This study assesses the dynamics of SES in a typical rural South African setting over the period 2001–2013 using data on household assets from the Agincourt Health and Demographic Surveillance System. Three SES indices, an absolute index, principal component analysis index and multiple correspondence analysis index, are constructed from the household asset indicators. Relative distribution methods are then applied to the indices to assess changes over time in the distribution of SES with special focus on location and shape shifts. Results show that the proportion of households that own assets associated with greater modern wealth has substantially increased over time. In addition, relative distributions in all three indices show that the median SES index value has shifted up and the distribution has become less polarized and is converging towards the middle. However, the convergence is larger from the upper tail than from the lower tail, which suggests that the improvement in SES has been slower for poorer households. The results also show persistent ethnic differences in SES with households of former Mozambican refugees being at a disadvantage. From a methodological perspective, the study findings demonstrate the comparability of the easy-to-compute absolute index to other SES indices constructed using more advanced statistical techniques in assessing household SES.  相似文献   
62.
Attrition represents a significant obstacle to overcome in any longitudinal research project. It is, perhaps, most keenly felt when the data collected are from a qualitative study, since, unlike quantitative longitudinal research, weighting factors cannot be applied to ‘correct’ for any biases in the achieved sample and even a small number of ‘lost’ respondents can equate to a large percentage of the original sample. It is perhaps because of qualitative longitudinal research’s (QLR) reliance on, generally speaking, smaller samples that few have been able to shed much light on which re-contacting procedures are associated with achieving higher rates of retention. In this article, using data from a fifth sweep of a larger but particularly challenging cohort of 199 former probationers, we explore the strategies which helped us maintain high levels of retention in a QLR study. The article contains many practical suggestions which others planning or undertaking similar studies may find useful.  相似文献   
63.
64.
Although there is strong evidence that single physical, psychosocial and organisational risk factors are each independent predictors of low back symptoms (LBS), little is known about their combination/interaction, particularly in those working in developing countries. A total of 1294 Indonesian coal mining industry workers reported information about physical, psychosocial, and organisational factors using self-reported questionnaires and were placed into one of four combination exposure groups: 1) high physical (working with bent trunk; whole body vibration exposure; lifting) and high psychosocial (high effort; low reward; work stress), 2) high physical and low psychosocial, 3) low physical and high psychosocial, and 4) low physical and low psychosocial (as the reference group). The odds of LBS in the high physical and high psychosocial group was 5.15 times (95% confidence interval 2.69-9.86) that of the reference group. Psychosocial factors played a more important role than physical factors in increasing the likelihood of reporting LBS. Permanent and night shift workers were more likely to report LBS. These findings imply that efforts to reduce LBS in this workplace should address both psychosocial and physical factors but psychosocial factors should be the priority, with a special focus on permanent and night shift workers.  相似文献   
65.
Business enterprises run by youth can create jobs and teach the principles of free enterprise but also convey skills that can be used by employees in large companies, as well as political activists and entrepreneurs. Research is needed to test the efficacy of this approach and identify its key components.  相似文献   
66.
In lieu of diverse consequences in the demand and supply of health care professionals such as nurses and midwives in Australia and the world, a firm understanding of the characteristics of staff mobility and the factors influencing their retention could lead to achieving enhanced service delivery, greater job satisfaction, and the establishment of a more stable and robust workforce. The research reported in this paper attempts to shed light on qualitative aspects of mobility in health care professional staff in the Northern Territory of Australia. It builds upon an existing survey study of the quantitative factors that determine why nurses and midwives come to the Northern Territory, why some stay and why many leave, by analysing additional qualitative textual responses of participants using semantic network approaches to natural language processing. Our results illustrate the methodological and policy significance of semantic approaches to knowledge acquisition and representation, especially in complementing findings of traditional survey analysis techniques, and in analysing the broader social settings, effects and consequences of staff retention and mobility.  相似文献   
67.
As employment becomes more precarious, and spells of displacement become more common across the labor market, many individuals are forced to make decisions about the speed at which they seek reemployment and the types of employment they will seek. Using repeated cross‐sectional data from various years of the Displaced Worker Supplement of the Current Population Survey, we examine the degree to which employer‐provided health insurance and organizational provision of advanced layoff warning helped workers—particularly those from earlier birth cohorts—navigate the labor market during a period of growing employment flexibility. Our results indicate that workers from older cohorts, rather than older chronological ages, suffered more from displacement in terms of longer unemployment spells and declines in job quality upon reemployment. Workers able to obtain a job with health insurance had shorter unemployment durations, while those displaced from jobs with health insurance remained unemployed for longer periods of time. Advance notice appears to reduce some of the disproportionately negative effects of displacement for older workers, perhaps by easing the shock of a psychological contract breach. Our findings point to the importance of historical and cultural factors in shaping labor market outcomes.  相似文献   
68.
This paper reports a qualitative analysis of data from a study of masculinity in 11–14 year old boys attending twelve London schools. Forty-five group discussions ( N = 245) and two individual interviews ( N = 78) were conducted. The findings indicate that boys' experiences of school led them to assume that interviews would expose them to ridicule and so threaten their masculinity. Boys were generally more serious and willing to reveal emotions in individual than in group interviews. A key theme in boys' accounts was the importance of being able to present themselves as properly masculine in order to avoid being bullied by other boys by being labeled "gay." The ways in which boys were racialized affected their experiences of school.  相似文献   
69.
This paper examines the information processing requirements that surround the international negotiations process. General problem-solving models and generic task taxonomies are explored to provide insight into this process, a process that can be characterized as iterative options analysis. The paper also identifies a set of existing and emerging information technologies that can support the negotiation process, technologies that range from electronic mail to group decision support systems. The premise of the paper is that cost-effective information technology can support many important negotiation tasks and that existing technology has been vastly under-exploited by negotiators and their staffs. A program for introducing and evaluating information technology is also proposed.  相似文献   
70.
The transfer of advantage and disadvantage across multiple generations is receiving increasing attention in the international literature; however, transfers of resources across multiple generations in Australian families are less well understood. Using a longitudinal dataset of Australian children, we have the opportunity to not only investigate the transfer of educational resources across three generations in Australia, but also investigate the gendered nature of these transfers, which has been a limitation of other studies. We find no evidence of individual grandparent education effects on numeracy and reading scores for grandchildren in Year 3, independent of parent educational attainment and other covariates. However, significant effects on numeracy and reading scores were observed for children in families where both the grandmother and grandfather in maternal and paternal grandparent sets had high educational attainment (a diploma or university qualification), and where either or both the mother and father had a university qualification. These results suggest that the contribution of grandparents to the academic achievement of grandchildren cannot be fully explained by the parent generation and that the concentration of human capital in families contributes to educational inequalities across multiple generations that can be observed by eight years of age.  相似文献   
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