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   123729篇
  免费   1615篇
  国内免费   279篇
教育   86105篇
科学研究   13412篇
各国文化   1981篇
体育   9388篇
综合类   204篇
文化理论   1061篇
信息传播   13472篇
  2021年   969篇
  2020年   1649篇
  2019年   2552篇
  2018年   3060篇
  2017年   3335篇
  2016年   3377篇
  2015年   2321篇
  2014年   3199篇
  2013年   27250篇
  2012年   2426篇
  2011年   2792篇
  2010年   2409篇
  2009年   2686篇
  2008年   2448篇
  2007年   2182篇
  2006年   2476篇
  2005年   2445篇
  2004年   3030篇
  2003年   2344篇
  2002年   2151篇
  2001年   2075篇
  2000年   1675篇
  1999年   1565篇
  1998年   1460篇
  1997年   1514篇
  1996年   1689篇
  1995年   1462篇
  1994年   1463篇
  1993年   1467篇
  1992年   1501篇
  1991年   1416篇
  1990年   1437篇
  1989年   1329篇
  1988年   1193篇
  1987年   1128篇
  1986年   1158篇
  1985年   1417篇
  1984年   1293篇
  1983年   1273篇
  1982年   1254篇
  1981年   1182篇
  1980年   1157篇
  1979年   1248篇
  1978年   1214篇
  1977年   1119篇
  1976年   1000篇
  1975年   810篇
  1974年   811篇
  1973年   782篇
  1971年   638篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
971.
Students display a number of misconceptions when asked to reason about logical propositions. Rather than being random, these misconceptions are stereotypic, and relate to age, ability, and success in science. The grades in science achieved by tenth-grade general science students from two parochial single-sex schools in Australia correlated with their scores on the Propositional Logic Test. The students' ability level was consistently related to the pattern of errors they committed on that measure. Mean scores were lowest on a subtest of ability to use the biconditional and implication, higher on the disjunction, and highest on the conjunction. Success in science was predicted most strongly by the disjunction and biconditional subtests. Knowledge of the way in which a person reasons about logical propositions provides additional insights into the transformations information is subjected to as it is integrated into mental schemata.  相似文献   
972.
This paper presents two studies, both of which address the question of whether a test that measures the automaticity with which digits can be named could be useful as part of a diagnostic battery to assess reading disabilities. In the first study, the Digit Naming Speed Test significantly differentiated elementary-school boys who were disabled readers from age-matched boys reading at appropriate grade levels, correctly classifying 83.3% of the children. In the second study, the Digit Naming Speed Test accounted for a significant portion of the word recognition variance of nondisabled readers over and above that portion accounted for by general intelligence as measured by the WISC-R. Taken together, these studies indicate that the Digit Naming Speed Test has the potential to contribute significantly to the diagnostic process.  相似文献   
973.
974.
975.
Five groups of undergraduate students, Dropouts (academic dismissals), Low Stopouts (voluntary leavers with low GPA), Low Persisters (continuing students with low GPA), High Stopouts (voluntary leavers with high GPA), High Persisters (continuing students with high GPA), were compared in terms of their use of various campus facilities and their responses to a checklist of personal problems. The High Stopouts and High Persisters did not differ in use of facilities. However, among the low academic performance students, the Low Persisters made significantly greater use of facilities than the Low Stopouts, who, in turn, made significantly greater use of facilities than Dropouts. These findings, for the most part, did not appear to be related to the self-reported importance of personal problems. It was concluded that among low performance students, the broad use of campus services and facilities can be taken as a measure of student integration in the college community.  相似文献   
976.
Hegemony,resistance, and the paradox of educational reform   总被引:6,自引:0,他引:6  
  相似文献   
977.
978.
B. Nelson Ong is Assistant Professor Political Science at the College of New Rochelle, New Rochelle, NY 10805. He is also the Secretary of the National Association of Scholars.  相似文献   
979.
Salary comparisons: New methods for correcting old fallacies   总被引:1,自引:0,他引:1  
Institutions of higher education place high priority on ensuring that their faculties are adequately paid. Since gauging the adequacy of compensation is a problem of relative measure, this assessment is usually performed by comparing university-level average salaries for a group of peer institutions. Often the potential distortions caused by differences in the rank mix of the faculty are forestalled by comparing average salaries for each of the four ranks. However, few if any institutions take similar steps to prevent the skewing of averages owing to differences in cost of living, differences in distribution of faculty in academic year and twelve-month appointments, and differences in the configuration of the faculty over disciplines. This paper shows that salary comparisons that do not compensate for these variation in staff mix are seriously flawed. A recommended methodology is demonstrated.  相似文献   
980.
High levels of student absenteeism, low SES home environments, and a general lack of experienced teachers to service the school curriculum all contribute to difficulties in insuring the delivery of apriori school district defined instructional programs. The importance of urban school site educational evaluation is underscored by recent studies which show that the effectiveness of instructional delivery is an important predictor of student antisocial behavior such as drug abuse, gang activity, vandalism. This study examines some of the problems associated with instructional evaluation in urban school settings using signal-receptor assessment theory analysis and a new type of test scoring procedure called Modified Confidence Weighted-Admissible Probability Measurement (MCW-APM). With MCW-APM, school administrative personnel can simultaneously evaluate and obtain policy relevant information for instructional leadership concerning the signal (instruction as delivered), the reception (student learning as received), and the assessment instrumentation itself (sensitivity of the test). Additionally, this method of scoring permits individual student performance on school district developed CRTs to be referenced to an information based standard (informed, partially informed, uninformed, and misinformed) of mastery as a selection standard instead of a percent correct score.  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