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   1622篇
  免费   58篇
管理学   217篇
民族学   23篇
人口学   135篇
丛书文集   13篇
理论方法论   146篇
现状及发展   1篇
综合类   12篇
社会学   920篇
统计学   213篇
  2023年   12篇
  2022年   10篇
  2021年   20篇
  2020年   38篇
  2019年   47篇
  2018年   57篇
  2017年   61篇
  2016年   50篇
  2015年   40篇
  2014年   46篇
  2013年   316篇
  2012年   57篇
  2011年   71篇
  2010年   46篇
  2009年   42篇
  2008年   70篇
  2007年   43篇
  2006年   43篇
  2005年   38篇
  2004年   35篇
  2003年   30篇
  2002年   44篇
  2001年   34篇
  2000年   29篇
  1999年   27篇
  1998年   21篇
  1997年   14篇
  1996年   21篇
  1995年   26篇
  1994年   21篇
  1993年   11篇
  1992年   12篇
  1991年   18篇
  1990年   20篇
  1989年   15篇
  1988年   11篇
  1987年   12篇
  1986年   8篇
  1985年   19篇
  1984年   11篇
  1983年   14篇
  1982年   16篇
  1981年   14篇
  1980年   12篇
  1979年   12篇
  1978年   9篇
  1976年   11篇
  1975年   9篇
  1974年   6篇
  1972年   5篇
排序方式: 共有1680条查询结果,搜索用时 296 毫秒
221.
In this paper we consider the issue of constructing retrospective T 2 control chart limits so as to control the overall probability of a false alarm at a specified value. We describe an exact method for constructing the control limits for retrospective examination. We then consider Bonferroni-adjustments to Alt's control limit and to the standard x 2 control limit as alternatives to the exact limit since it is computationally cumbersome to find the exact limit. We present the results of some simulation experiments that are carried out to compare the performance of these control limits. The results indicate that the Bonferroni-adjusted Alt's control limit performs better that the Bonferroni-adjusted x 2 control limit. Furthermore, it appears that the Bonferroni-adjusted Alt's control limit is more than adequate for controlling the overall false alarm probability at a specified value.  相似文献   
222.
Numerous studies and practical experiences with risk have demonstrated the importance of risk perceptions for people's behavior. In this narrative review, we describe and reflect upon some of the lines of research that we feel have been important in helping us understand the factors and processes that shape people's risk perceptions. In our review, we propose that much of the research on risk perceptions to date can be grouped according to three dominant perspectives and, thus, approaches to study design; they are: the characteristics of hazards, the characteristics of risk perceivers, and the application of heuristics to inform risk judgments. In making these distinctions, we also highlight what we see as outstanding challenges for researchers and practitioners. We also highlight a few new research questions that we feel warrant attention.  相似文献   
223.
Approximately 33% of the homeless population in 2017 were families with children. Researchers have argued for interventions and services to employ an ecological perspective to mitigate some of the unintentional harm inherent in existing programs designed to serve homeless families. This paper utilized a case study of a transitional housing program to (1) determine how well the program met recommendations informed by the ecological perspective and (2) explore underlying themes across recommendations. Past and current residents of a transitional housing program participated in semi-structured interviews as part of a program evaluation. Interviews were deductively and inductively coded to meet aims 1 and 2, respectively. Residents identified several aspects of the program that met the ecological perspective recommendations including culturally-responsive services, trauma-based services, and social and community connections. Major underlying themes spanning across recommendations included interpersonal resources (caring, sense of belonging), empowerment resources (advocacy, family preservation), impact on family (family life, positive youth development), and communication. This case study, through the analysis of residents’ perspectives, highlights the important role of transitional housing programs in providing a supportive, empathetic, empowering, and home-like environment that gives residents “back that dignity” so they are emotionally and physically prepared to successfully transition to permanent housing.  相似文献   
224.
Urban Ecosystems - Prior to European settlement, swamps, marshes, lakes, and streams were the major landscape features of the Chicago region. Much of this has been altered or lost in the past...  相似文献   
225.
ABSTRACT

We investigate the temporal course of meta-cognition and resistance processes following exposure to counter-attitudinal information in the 2012 Presidential election. Using a unique 3-wave survey panel design, we tracked eligible voters during the last months of the 2012 campaign and experimentally manipulated exposure to negative political messages targeting Barack Obama and Mitt Romney on an online platform. As predicted, we found that politically unengaged (vs. engaged) individuals were less likely to counter-argue a message attacking their favored candidate. Resistance, in turn, led to increased attitudinal certainty, polarization, and correspondence with actual voting behavior over the course of the campaign. These findings provide the first analysis of the longitudinal effects of meta-cognitive processes underlying persuasion for real-world attitude change and behavior.  相似文献   
226.
227.
ABSTRACT

By approaching civility as an operational logic for democracy, we ask how incivility is a strategy related to power and domination, particularly from the president of the United States. We propose that Twitter is part of an infrastructure of incivility, through which structures and discursive mechanisms contribute to a devaluation of normative democratic discourses. Spectacle provides a theoretical framework to contextualize the forces at play in mediating our relations. Using President Trump’s Twitter use as a case study, we offer four propositions that together formulate a framework for theorizing the strategic use and deployment of incivility as an increasingly legitimate, yet problematic tool for democratic governance.  相似文献   
228.
This article outlines and clarifies the complex relationship between economic development, the formation of classes, political movement responses to these changes, and state institutional capacity building in response to these movements in the Midwestern US. It seeks to remedy views of the transition to capitalism in America that focus too narrowly on a moment of transition, positing instead a long, politically contested process of class formation by elucidating the specific interactions between agrarian and union movements and state‐building processes. Our research reveals the substantial role of the state in forcing through acceptance of economic changes and shifting class locations through a co‐developmental process of political resistance movements and state‐building.  相似文献   
229.
230.
Medical alarms sound incessantly, loudly, and dissonantly, contributing to an already noisy ICU and OR soundscape, and ultimately harming both patients and staff. Sometimes triggered in error, the sheer number of alarms distracts health care professionals and results in sensory overload that contributes to hospital staff’s alarm fatigue. In turn, staff become increasingly likely to ignore alarms instead of acting on them. Furthermore, the patients’ sensitivity to alarms disturbs their hospital stay, raises their stress levels, and impedes their recovery process, with sometimes lasting effects. This article considers the sensory effects of hospital alarms and possibilities for redesigning future alarm systems, with the goal of eventually creating a more calming, less stressful, and safer hospital soundscape environment for all.  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