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   28541篇
  免费   391篇
  国内免费   130篇
教育   19467篇
科学研究   3242篇
各国文化   256篇
体育   2715篇
综合类   31篇
文化理论   221篇
信息传播   3130篇
  2021年   203篇
  2020年   401篇
  2019年   576篇
  2018年   719篇
  2017年   751篇
  2016年   726篇
  2015年   464篇
  2014年   606篇
  2013年   5064篇
  2012年   553篇
  2011年   629篇
  2010年   471篇
  2009年   498篇
  2008年   495篇
  2007年   523篇
  2006年   502篇
  2005年   478篇
  2004年   700篇
  2003年   593篇
  2002年   604篇
  2001年   472篇
  2000年   490篇
  1999年   447篇
  1998年   232篇
  1997年   264篇
  1996年   326篇
  1995年   299篇
  1994年   250篇
  1993年   261篇
  1992年   378篇
  1991年   379篇
  1990年   369篇
  1989年   451篇
  1988年   364篇
  1987年   410篇
  1986年   371篇
  1985年   456篇
  1984年   387篇
  1983年   366篇
  1982年   313篇
  1981年   281篇
  1980年   252篇
  1979年   390篇
  1978年   311篇
  1977年   291篇
  1976年   272篇
  1975年   228篇
  1974年   251篇
  1973年   216篇
  1971年   202篇
排序方式: 共有10000条查询结果,搜索用时 31 毫秒
991.
992.
Twenty-four children with conduct disorders were familiarized with a pattern-matching task, and their self-efficacy expectations for this task were assessed. Subjects were then given either “Success” or “Failure” feedback for a series of similar problems, and their self-efficacy was reassessed. Finally, task persistence was evaluated by allowing subjects to attempt as many additional pattern-matching problems as they wished, with all subjects receiving failure feedback. Results indicated that, although the two groups of subjects were initially similar, the success group's self-efficacy was significantly higher following feedback. The success group also attempted significantly more problems while later receiving failure feedback, and there was a significant positive correlation between task persistence and the second self-efficacy rating. These findings were related to Bandura's self-efficacy theory and to educational programming for conduct-disordered children.  相似文献   
993.
The intent of the present investigation was to determine the readability of psychoeducational reports and the effectiveness of manipulating selected report variables to facilitate parental interpretation. A sample of 50 reports was analyzed to determine the reading level at which reports were written. One report written at the median reading level was identified as a traditional report and was modified by lowering the reading level, replacing professional terminology, and removing information identified as unrelated to placement decisions. One objective test was developed to measure parents' abilities to interpret both the traditional and modified reports. One hundred fourteen parents were randomly assigned to read either the traditional or modified version of the report. Following treatment, subjects responded to the test instrument. The data indicate that traditional reports are written above the reading level of most parents. In addition, the data support the position that modification of selected report variables facilitates parental interpretation. Suggestions are made to report writers as to how specific modifications can enhance parental access to report contents.  相似文献   
994.
995.
The purpose of the present investigation was to examine the predictive validity of Kaufman's short form version of the McCarthy Scales of Children's Abilities for samples of English-speaking and Spanish-speaking Mexican-American children. Comparisons of the observed correlations between the McCarthy General Cognitive Index (GCI) and Kaufman's estimated GCI with academic achievement (as measured by the Comprehensive Tests of Basic Skills) showed that the conventional McCarthy and Kaufman's short form predicted achievement about equally well. Implication of this finding was discussed in light of supportive evidence for the validity of the Kaufman short form and in the context of screening of culturally diverse children.  相似文献   
996.
A training program designed to teach Learning Disabled junior high school students to set realistic achievement goals, to expend effort to reach the goals, and to accept personal responsibility for achievement outcomes was conducted with 61 LD adolescents attending four junior high schools. Students were randomly assigned to an experimental or control group. Goal setting strategies and effort attribution training were introduced for a six-week period. Pre- to posttesting indicated that the experimental group learned to set realistic goals and to attribute achievement outcomes to the amount of personal effort expended.  相似文献   
997.
Raw scores on the 16 K-ABC subtests and the total raw scores on the sequential and simultaneous processing scales and the achievement scale were correlated with age in months for two separate samples, each subdivided by race and sex: the K-ABC standardization sample (N = 2000) and an additional group of blacks and whites tested during the development of the K-ABC sociocultural norms (N = 615). Within each sample, the highest and lowest correlations from all race/sex groups were contrasted across all K-ABC subtests and scales. All correlations between age and raw scores were statistically significant (p ⩽ .05). No significant differences occurred in the magnitude of these relationships as a function of race/sex grouping, supporting the construct validity of the K-ABC as a developmental measure of children's aptitude and achievement for blacks, whites, Hispanics, males, and females.  相似文献   
998.

Throughout the history of education, debate has existed between the relative merits of instructed versus constructed knowledge. In this article, we review our program of research in science education for students with disabilities in order to reveal some insights into this debate. We review research in science curriculum, mnemonic strategies, text-processing strategies, hands-on approaches, coached elaborations, “discovery” learning, correlates of effective inclusive science classrooms, and class-wide peer tutoring with differentiated curriculum enhancements. Overall, both instructed and constructed knowledge are important and can be facilitated with appropriate instructional strategies. Implications for practice and future research are provided.  相似文献   
999.
1000.
Previous research has established that SAT scores and high school grade point average (HSGPA) differ in their predictive power and in the size of mean differences across racial/ethnic groups. However, the SAT is scaled nationally across all test takers while HSGPA is scaled locally within a school. In this study, the researchers propose that this difference in how SAT scores and HSGPA are scaled partially explains differences in validity and subgroup differences. Using a large data set consisting of 170,390 students each of whom matriculated at one of 114 separate colleges, the researchers find that awarding SAT scores by ranking SAT within a high school generally results in substantial reduction in the size of subgroup mean differences for this predictor. However, validity for predicting first‐year GPA is also reduced by a small amount. Conversely, placing HSGPA onto a nationally normed metric through the use of multiple regression procedures results in a moderate increase in the size of subgroup mean differences, while also producing a small increase in validity. Taken together, these findings suggest that differences in predictor scaling can partially explain differences in the size of subgroup mean differences between HSGPA and SAT scores and have implications for predictive power.  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