首页 | 官方网站   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   125122篇
  免费   1628篇
  国内免费   234篇
文化教育   126984篇
  2021年   953篇
  2020年   1671篇
  2019年   2586篇
  2018年   3174篇
  2017年   3422篇
  2016年   3454篇
  2015年   2323篇
  2014年   3190篇
  2013年   27362篇
  2012年   2451篇
  2011年   2854篇
  2010年   2367篇
  2009年   2619篇
  2008年   2438篇
  2007年   2187篇
  2006年   2405篇
  2005年   2398篇
  2004年   3075篇
  2003年   2381篇
  2002年   2197篇
  2001年   2130篇
  2000年   1770篇
  1999年   1645篇
  1998年   1473篇
  1997年   1535篇
  1996年   1697篇
  1995年   1474篇
  1994年   1468篇
  1993年   1470篇
  1992年   1552篇
  1991年   1464篇
  1990年   1442篇
  1989年   1387篇
  1988年   1243篇
  1987年   1176篇
  1986年   1189篇
  1985年   1475篇
  1984年   1322篇
  1983年   1293篇
  1982年   1268篇
  1981年   1186篇
  1980年   1169篇
  1979年   1285篇
  1978年   1220篇
  1977年   1126篇
  1976年   1011篇
  1975年   817篇
  1974年   831篇
  1973年   791篇
  1971年   645篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
991.
University autonomy and public policies: A system theory perspective   总被引:3,自引:1,他引:3  
This article addresses problems facing universities because of external pressures for changes in their teaching, research, and governance and management policies and practices to align them with public policies. The view is put that governments are introducing public policies in times of economic recession to achieve rationalisation of human, physical and financial resources in higher education and to foster initiatives that shape university teaching and research to serve the needs of society and assist in national economic recovery. Examples of these external pressures, which have resulted in intrusions into the autonomy of university governance and management, are provided in the context of general system theory. It is assumed that the pressure of public policies on universities will continue and that each university should have a development plan for its present and future teaching and research activities, which has the endorsement of the government higher education advisory agency so that university management can function on a secure basis. The effectiveness and efficiency of functioning at the various levels of the university system should be assessed by periodic evaluative reviews. The quality of management by academic leaders should be fostered by the establishment of national centres for the study of higher education management and policy. The relationship between government higher education advisory agencies and universities should be renegotiated so that, as interdependent and interrelated parts of the higher education system, they work in joint co-operation to ensure the most effective and appropriate development of each institution. Nevertheless, a state of equilibrium between the university system and the supra (social) system within which it exists will never fully be achieved. The fundamental role and functions of a university require that it be concerned with teaching and researching both ageless and current phenomena. Hence, a perfect equilibrium state cannot exist if external social pressures are for the main weight of university activities to be shifted to providing service for the current needs of society.  相似文献   
992.
This empirical investigation evaluated the outcomes of three models of counselling with students in the elementary school who were identified as having Learning and behavioral problems. It was hypothesized that model one, counselling with parents, teachers and students was the most effective: model two, counselling with teachers and parents was the next most effective and model three, coun selling with students only was the least effective. It was discovered after 5 months of counselling, that although the student reading scores of the combined counselling groups improved significantly in comparison to the control group, no statistically significant change occurred between the counselling models either on student reading or classroom behavior. Model one counselling, however, produced cooperative relationships between teachers, parents and students.The University of British Columbia  相似文献   
993.
994.
A paired-associate memory task with pictures and words as items was used to categorize fourth graders into four learner types: HH, high picture-high word; HL, high picture-low word; LH, low picture-high word; LL, low picture-low word. Some children in each classification read prose passages with picture adjunct aids; other children read the passages without adjunct aids. Although free recall for the prose passage yielded inconclusive data, a constructed response test for facts in the prose passages revealed significant Aptitude × Treatment interactions, such that poor paired-associate learners (i.e., LLs) profited more than did good paired-associate learners (i.e., HHs) from picture aids on the prose task. The children's standardized reading scores were positively related to memory performance, but good and poor readers did not differ in their ability to profit from picture aids. It was suggested that less-strategic learners, such as those who perform poorly on paired-associate tasks, are more likely to be helped by externally provided mediational aids, while more-strategic learners are more likely to be helped by instructions to generate their own mediational aids.  相似文献   
995.
Previous research has shown that response rates on a variable interval (VI) schedule of reinforcement decrease if a brief response-produced signal is given prior to reward. One explanation is that the signal overshadows the response because it is a better predictor of reinforcement. The S-R overshadowing effect does not occur with variable ratio (VR) schedules, however. Tarpy, Lea, and Midgley (1983) explained this fact by suggesting that the signal functions to enhance the salience of the temporal interval offset on the VI schedule (a characteristic not possessed by VR schedules), which then overshadows the response. In this experiment, the salience of the temporal interval was enhanced in another way: signaled or unsignaled reward was provided to rats responding on either a VI or fixed interval (FI) reward schedule. As predicted, rates were lowest for animals receiving signaled reinforcement on an FI schedule and highest for those receiving unsignaled reinforcement on a VI schedule.  相似文献   
996.
Control of beak opening (gape) and peck location was examined in pigeons. Feeding pecks showed accurate guidance that positioned the seed between the beaks. At the moment of contact with the seed, gape was proportional to seed diameter, although pecks with gape less than seed diameter were more frequent following an increase in seed size during a meal. There were no substantial differences between pigeons trained to keypeck with autoshaping and those trained with operant conditioning procedures. With either procedure, water reinforcement produced keypecks with the beak closed; seed reinforcers of different sizes produced means for gape proportional to the seed diameters. Black or white circular stimuli of different sizes projected as conditioning signals had little influence upon gape, but a greater percentage of responses was directed to white stimuli. These results indicate that visual stimuli elicit and orient the peck, whereas the adjustment of gape also involves the somatosensory stimuli provided during previous experience with a particular reinforcer or food type.  相似文献   
997.
998.
999.
This article examines the role of computer technology in counselor preparation. Three aspects of counselor training—acquisition of facts and theory, development of specific skills, and personal and professional development—are discussed in terms of the potential contributions and limitations of computers in training efforts.  相似文献   
1000.
This investigation compares the effectiveness of two types of inservice training offered through the Arizona Portal School Program. Both methods were designed to provide teachers with positive attitudes toward activity-centered energy education. The methods differed in length and energy-related content with one course running for 5 sessions and the other for 15 sessions. The longer course placed more emphasis on content knowledge. Three types of attitudes were assessed: attitudes toward curricular change, opinions on energy concepts, and beliefs about science education. Although the longer course had a more positive effect on the participants' views of and willingness to participate in curricular change and the shorter course had a more positive effect on the participants' views of teaching activity-oriented science, both courses produced the same type of change in the participants' views of energy issues.  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-23

京公网安备 11010802026262号