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   645篇
  免费   31篇
管理学   70篇
民族学   5篇
人才学   1篇
人口学   36篇
丛书文集   3篇
理论方法论   104篇
综合类   6篇
社会学   393篇
统计学   58篇
  2023年   5篇
  2022年   3篇
  2021年   4篇
  2020年   20篇
  2019年   18篇
  2018年   21篇
  2017年   33篇
  2016年   21篇
  2015年   16篇
  2014年   23篇
  2013年   98篇
  2012年   23篇
  2011年   14篇
  2010年   24篇
  2009年   21篇
  2008年   13篇
  2007年   29篇
  2006年   20篇
  2005年   30篇
  2004年   16篇
  2003年   22篇
  2002年   20篇
  2001年   23篇
  2000年   17篇
  1999年   17篇
  1998年   13篇
  1997年   12篇
  1996年   8篇
  1995年   5篇
  1994年   3篇
  1993年   5篇
  1992年   8篇
  1991年   6篇
  1990年   7篇
  1989年   2篇
  1987年   5篇
  1986年   2篇
  1985年   3篇
  1984年   4篇
  1983年   6篇
  1982年   5篇
  1981年   6篇
  1980年   4篇
  1979年   3篇
  1977年   2篇
  1976年   2篇
  1974年   2篇
  1971年   2篇
  1970年   2篇
  1968年   2篇
排序方式: 共有676条查询结果,搜索用时 682 毫秒
541.
In the current study the authors drew on Waves I and III from Add Health to examine the closeness of parent–adolescent relationships in married mother–stepfather families (N = 1,934). They used latent class analysis to identify family constellations defined by adolescents' relationships with all of their parents: mothers, stepfathers, and biological nonresident fathers. In particular, the authors (a) identified the most common underlying patterns of adolescent–parent relationships in stepfamilies; (b) determined the background characteristics that predict membership in these groups; and (c) examined how adolescents in these groups fare with respect to depressive symptoms, delinquency, and substance use. The results indicate that adolescents' relationships can be represented with 4 latent classes. Adolescents in these classes differ on measures of adjustment, and many of these differences persist into the early adult years.  相似文献   
542.
Although there are many cross-sectional studies of adolescent gambling, very few longitudinal investigations have been undertaken. As a result, little is known about the individual stability of gambling behaviour and the extent to which behaviour measured during adolescence is related to adult behaviour. In this paper, we report the results of a 4-wave longitudinal investigation of gambling behaviour in a probability sample of 256 young people (50 % male, 50 % female) who were interviewed in 2005 at the age of 16–18 years and then followed through to the age of 20–21 years. The results indicated that young people showed little stability in their gambling. Relatively few reported gambling on the same individual activities consistently over time. Gambling participation rates increased rapidly as young people made the transition from adolescence to adulthood and then were generally more stable. Gambling at 15–16 years was generally not associated with gambling at age 20–21 years. These results highlight the importance of individual-level analyses when examining gambling patterns over time.  相似文献   
543.
We assessed biogeochemical cycling of elements through residential household landscapes to evaluate the importance of annual to decadal household-level decisions for element fluxes that contribute to urban and regional pollution. We combined a mailed survey, vegetation measurements, and allometric and biogeochemical models to estimate fluxes and accumulation of carbon (C), nitrogen (N), and phosphorus (P) in landscapes of 360 single-family homes in the Minneapolis-Saint Paul, Minnesota metropolitan area. Carbon inputs and accumulation were strongly influenced by the presence of trees on the property. Nitrogen inputs to the landscape exceeded estimated ecosystem demand for N on average by 51% and were dominated by N fertilizer application. Because Minnesota state law restricts the use of P fertilizer, pet waste was responsible for 84% of P inputs to the landscape. The results have implications for understanding sources of urban pollution and the potential flexibility (i.e., the potential for change) in household behaviors such as tree planting, fertilization, and pet waste management that contribute to such pollution.  相似文献   
544.
We reviewed all issues of the Journal of Organizational Behavior Management (JOBM) from 2000 through 2015 to identify the percentage of empirical articles, which utilized some form of preintervention assessment. In addition, we categorized five types of assessment used and compared the number of assessments conducted in each category. Finally, because assessment is considered to be particularly important in the subdiscipline of behavioral safety (McSween, 2003), and prior research has not examined the commonality of assessment in this area, we also analyzed the frequency and type of assessment procedures used in behavioral safety and compared this to the use of assessment in OBM in general. Results indicated that 28% of the empirical articles in JOBM used some form of preintervention assessment. Indirect methods were the most often used type of assessment. In addition, 48% percent of the articles in JOBM, which employed a safety-related dependent variable, included some form of assessment. The most frequently used type of assessment in behavioral safety was historical assessment. Based on these data, the use of some form of preintervention assessment in OBM appears to be occurring with some regularity, and assessment in behavioral safety is more common relative to assessment in OBM in general.  相似文献   
545.
As the number of large federal programs increases, so, too, does the need for a more complete understanding of how to conduct evaluations of such complex programs. The research literature has documented the benefits of stakeholder participation in smaller-scale program evaluations. However, given the scope and diversity of projects in multi-site program evaluations, traditional notions of participatory evaluation do not apply. The purpose of this research is to determine the ways in which stakeholders are involved in large-scale, multi-site STEM evaluations. This article describes the findings from a survey of 313 program leaders and evaluators and from follow-up interviews with 12 of these individuals.Findings from this study indicate that attendance at meetings and conferences, planning discussions within the project related to use of the program evaluation, and participation in data collection should be added to the list of activities that foster feelings of evaluation involvement among stakeholders. In addition, perceptions of involvement may vary according to breadth or depth of evaluation activities, but not always both. Overall, this study suggests that despite the contextual challenges of large, multi-site evaluations, it is feasible to build feelings of involvement among stakeholders.  相似文献   
546.
Summary.  The lack of outcome measures that are validated for use on children limits the effectiveness and generalizability of paediatric health care interventions. Statistical epidemiology is a broad concept encompassing a wide range of useful techniques for use in child health outcome assessment and development. However, the range of techniques that are available is often confusing and prohibits their adoption. In the paper an overview of methodology is provided within the paediatric context. It is demonstrated that in many cases assessment can be performed relatively straightforwardly by using standard statistical techniques, although sometimes more sophisticated techniques are required. Examples of both physiological and questionnaire-based outcomes are given. The usefulness of these techniques is highlighted for achieving specific objectives and ultimately for achieving methodological rigour in clinical outcome studies that are performed in the paediatric population.  相似文献   
547.
We estimate the increment in Massachusetts Medicaid program costs attributable to smoking from December 20, 1991 to 1998. We describe how our methods improve upon earlier estimates of analogous costs at the national level. Current costs to the Massachusetts Medicaid program approximate the payments to Massachusetts under the tobacco settlement of November 1998. Whether these payments are viewed as appropriate compensation for Medicaid costs over time depends upon the rate of increase in future health care costs, the rate of decline in smoking, the proportion of smoking that should be attributed to the actions of the tobacco companies and the likelihood the state would have prevailed at trial. The costs to the Medicaid program are dwarfed by the internal costs to smokers themselves.  相似文献   
548.
Over the past two decades, the use of ethnographic research methods, in combination with a range of discursive, conversational, and multimodal analytical approaches, have provided vivid accounts of the complex nature of social workers' everyday communication. This paper discusses the potential and the problems of combining a video‐stimulated recall methodology with an explicit theoretical framework, in order to generate critical reflexive “insider” accounts of social workers' direct encounters with children. The framework employed was based on an adaptation of Goffman's concepts of “framing” and “footing,” which were integrated into an analytical process designed to theorize social workers' critiques regarding the nature of their communication with children. Three detailed case exemplars are used to demonstrate the potential of this methodology to explore the “delicate” agency required by social workers in the practice of authentic communication in complex professional inquiries with children. The paper concludes with a brief discussion of the theoretical and practical issues associated with utilizing reflexive methodologies in professional contexts.  相似文献   
549.
Social work in the United Kingdom is preoccupied with what social workers cannot do due to having limited time to spend with service users. Yet remarkably little research has examined what social workers actually do, especially in long‐term relationships. This paper draws from an ethnographic study of two social work departments in England that spent 15 months observing practice and organizational life. Our findings show that social work some of the time has a significant amount of involvement with some service users and the dominant view that relationship‐based practice is rarely achieved is in need of some revision. However, families at one research site received a much more substantial, reliable overall service due to the additional input of family support workers and having a stable workforce who had their own desks and were co‐located with managers in small team offices. This generated a much more supportive, reflective culture for social workers and service users than at the second site, a large open plan “hot‐desking” office. Drawing on relational, systemic, and complexity theories, the paper shows how the nature of what social workers do and culture of practice are shaped by the interaction between available services, office designs, and practitioners', managers', and service users' experiences of relating together.  相似文献   
550.
A theory is proposed to explain how religion/spirituality (R/S) is related to positive youth development and thriving. The concept of telos is employed to define thriving as continued growth through strength‐based living that leads to contributing to one's communities and living out one's ethical ideals. Virtue development is proposed as a primary process by which R/S promotes thriving. Virtues are defined as hybrid personality units emerging when characteristic adaptations are given meaning by a transcendent narrative identity. R/S contributes to virtue formation through the ideological, social, and transcendent contexts embedded within religion by providing opportunities to grow both the characteristic adaptations and transcendent narrative identities necessary for virtue formation in youth and, ultimately, thriving. Implications for future research are discussed.  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