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   213篇
  免费   10篇
管理学   33篇
民族学   5篇
人口学   15篇
理论方法论   15篇
综合类   2篇
社会学   132篇
统计学   21篇
  2023年   5篇
  2022年   2篇
  2021年   1篇
  2020年   7篇
  2019年   9篇
  2018年   11篇
  2017年   12篇
  2016年   11篇
  2015年   7篇
  2014年   11篇
  2013年   24篇
  2012年   10篇
  2011年   11篇
  2010年   7篇
  2009年   6篇
  2008年   13篇
  2007年   12篇
  2006年   14篇
  2005年   9篇
  2004年   9篇
  2003年   10篇
  2002年   3篇
  2001年   6篇
  2000年   3篇
  1999年   1篇
  1998年   3篇
  1995年   1篇
  1994年   1篇
  1993年   1篇
  1992年   2篇
  1986年   1篇
排序方式: 共有223条查询结果,搜索用时 15 毫秒
81.
Energy drinks are attractive and readily available in every grocery store and gas station. While most youth verbalize an understanding that too much caffeine is bad for one's health, at an age of multiple demands, an over-the-counter offer of increased energy and alertness is hard to ignore. What makes energy drinks different from regular coffee? Although the heavily caffeinated drinks promise increased energy and stamina and are loaded with healthy natural ingredients, excessive consumption is of concern on many levels. This article will discuss some of the effects of excessive caffeine, as well as risks associated with energy drinks mixed with alcohol.  相似文献   
82.
The study examines the role of school and family contexts for the explanation of differences in xenophobia in different school tracks. It tries to “enrich” the variable education, which is often used in a “demographic” way with characteristics that describe education contexts in school and family. Five theses were explicated and tested with data of a sample of pupils. Most important factors to explain the differences between the school track were materialistic attitudes of the pupils and the support they got in their families. For all other factors no significant effects were found.  相似文献   
83.
84.
The German “mode of integration” after World War II has been to include migrants and their offspring into general societal institutions. This can be stated despite differences between federal states in some aspects of migrant integration (e.g., the educational sector). Migrant children normally attend the same schools and classes as their German age peers, they participate in the dual system of vocational training, and there are only a few limitations in labor market access. The second generation in Germany consists mainly of children of the “guestworkers” recruited in southern and southeastern European countries from the 1950s onwards. It is not easy to obtain information about their numbers and their socioeconomic position, as most statistical data distinguish only between foreigners and Germans. The achieved integration status of the second generation varies between areas: obvious problems in the educational system go along with considerable progress in the vocational training system and in the labor market. Children of Turkish migrants are the most disadvantaged group among the second generation.  相似文献   
85.
86.
Xenophobia is a central element of “modern right wing extremism”. Different approaches try to give reasons for this. In the perspective of an empirical theory comparison the explanatory impact of these different approaches is discussed. An important component of negative attitudes toward immigration are xenophobic motives. Two mechanisms are distinguished as basic processes for the mobilization of these xenophobic attitudes: conflict and compensation. Approaches that are concerned with the impact of competition for resources or status like deprivation or intergroup concepts stress the aspect of conflict. Other mechanisms are addressed by approaches that deal with aspects of anomia or authoritarism — they stress indirect processes and see xenophobia as a consequence of compensation processes. In this context individuals use rassist ideologies to compensate their own feelings of personal or social insecurity, disorientation and disintegration. The impact of both explanatory factors is examined on the basis of a representative population survey (ALLBUS) conducted in Germany in 1996.  相似文献   
87.
88.
The aim of the study presented here was to identify and characterize the constituents of a healthy workplace from the viewpoints of employees at four different companies with low rate of absenteeism due to illness. A non-randomized, purposive selection was made of 27 respondents -- four department heads, 16 white-collar workers, and seven blue-collar employees. The respondents were told to describe in writing how they experience factors contributing to good health at their workplace. The data analysis was carried out with a phenomenographic approach. Four main categories of health-related factors emerged: Good Work Environment, Active Keep-Fit Measures, Functional Leadership and Individual Responsibility. The employers fulfil demands for a good physical working environment, but the need for improvements in the psychosocial environment remains. The most promising finding is that the respondents' accept personal responsibility for maintaining their own good health.  相似文献   
89.
90.
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