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   9754篇
  免费   131篇
  国内免费   12篇
教育   6789篇
科学研究   870篇
各国文化   116篇
体育   772篇
综合类   12篇
文化理论   150篇
信息传播   1188篇
  2022年   46篇
  2021年   92篇
  2020年   200篇
  2019年   258篇
  2018年   333篇
  2017年   413篇
  2016年   381篇
  2015年   239篇
  2014年   294篇
  2013年   1857篇
  2012年   301篇
  2011年   338篇
  2010年   270篇
  2009年   239篇
  2008年   263篇
  2007年   292篇
  2006年   212篇
  2005年   241篇
  2004年   202篇
  2003年   201篇
  2002年   182篇
  2001年   192篇
  2000年   178篇
  1999年   130篇
  1998年   120篇
  1997年   130篇
  1996年   139篇
  1995年   86篇
  1994年   107篇
  1993年   84篇
  1992年   122篇
  1991年   105篇
  1990年   91篇
  1989年   89篇
  1988年   94篇
  1987年   74篇
  1986年   90篇
  1985年   100篇
  1984年   96篇
  1983年   83篇
  1982年   80篇
  1981年   64篇
  1980年   57篇
  1979年   80篇
  1978年   76篇
  1977年   50篇
  1976年   41篇
  1975年   33篇
  1974年   33篇
  1972年   33篇
排序方式: 共有9897条查询结果,搜索用时 15 毫秒
131.
An esteemed scholar conducts an enlightening examination of the enduring issues of the press as a democratic institution, the professionalization of the journalist, journalism schools, liberalism, and science. This imagined one-on-one conversation with Walter Lippmann is lightly humorous yet offers important insights on the accountability of the government by the press in days gone by and on the accountability of the press to the public in our digital age.  相似文献   
132.
133.
This study examined the direct association between parental educational expectations and adolescents’ academic self‐efficacy, as well as the moderating influence of parental academic socialization messages. Participants were 148 Latino parent–adolescent dyads with the majority of Mexican origin (80.4%). Most of the parent participants were mothers (85.8%). Adolescents were 13 (46%) or 14 (54%) years of age, and 53% identified as female. Adolescents reported their academic self‐efficacy and perceptions of their parents’ educational expectations; parents reported on their academic socialization messages of shame/pressure and effort regarding academics. The results suggest that, after accounting for parents’ level of education and immigrant status, parental educational expectations were positively associated with adolescent academic self‐efficacy. This association was stronger among adolescents whose parents reported transmitting fewer messages of shame/pressure and academic effort. These results point to the importance of nuances in the content and type of academic socialization messages within Latino families.  相似文献   
134.
This article argues that the increase in the number of teaching and learning centres in universities of technology in recent years is bound up with concerns about the quality of university education. Universities that have set up such centres have been motivated to do so for two main reasons. They are keen to improve the image and the capacity of their teaching faculty. They also hope to attract students at a time when many school leavers prefer immediate, well-paid employment to four or more years of study. There has been outside pressure as well. Governments have demanded that tertiary institutions become more accountable. Governments are insisting that taxpayers get value for their money, especially in the area of teaching and learning. The question asked in this article is whether or not teaching and learning centres should be modelling quality issues as well as teaching and learning issues. Our conclusion is that the centres should be proactive in this matter, providing their institution with both theoretical and practical models of quality management and assurance.  相似文献   
135.
136.
Early developmental psychologists viewed iconic representation as cognitively less complex than other forms of symbolic thought. It is therefore surprising that iconic signs are not acquired more easily than arbitrary signs by young language learners. One explanation is that children younger than 3 years have difficulty interpreting iconicity. The current study assessed hearing children's ability to interpret the meaning of iconic signs. Sixty-six 2.5- to 5-year-olds who had no previous exposure to signs were required to match iconic signs to pictures of referents. Whereas few of the 2.5-year-olds recognized the meaning of the iconic signs consistently, more than half of the 3.0-year-olds and most of 3.5-year-olds performed above chance. Thus, the ability to recognize the meaning of iconic signs gradually develops during the preschool years. Implications of these findings for sign language development, receptive signed vocabulary tests, and the development of the ability to interpret iconic symbols are discussed.  相似文献   
137.
Student drug use has been investigated in many countries and a standard method of conducting such surveys is described here. Using an adapted World Health Organization questionnaire patterns of drug use were investigated among the population of secondary school students in Bermuda (N=3,930). The prevalence of use of alcohol and eight illicit drugs is described and related to students’ attitudes, life-styles and demographic characteristics. Factors such as age, sex, race, parental use of alcohol, leisure time activities, allowances and beliefs about drugs all emerge (as they have in other studies) as strongly related to drug use. It is concluded that though these cross cultural similarities exist, there are important sub-cultural differences in drug use patterns which reflect social dynamics and characteristics within communities. It is suggested that a focus on sub-cultural differences may be particularly valuable in future research.  相似文献   
138.
139.
140.
The current study examines the association between parental support and adolescent sleep under varying levels of family stress. Participants included 316 adolescents (Mage = 16.40 years, 43% male) and their parents (Mage = 45.67 years, 91% mothers) from diverse ethnic backgrounds. Both adolescents and parents completed questionnaires and adolescents wore wrist actigraphs and completed self‐reports on their sleep for 7 consecutive days. Results indicated that under contexts of family stress, more parental support was linked to longer sleep duration, less sleep variability, and less time spent awake during the night. Findings suggest that under contexts of family stress, cohesive family relationships may provide a sense of stability and security that is necessary for healthful sleep.  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