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   175736篇
  免费   7919篇
  国内免费   161篇
  2021年   1542篇
  2020年   2869篇
  2019年   3539篇
  2018年   3656篇
  2017年   4071篇
  2016年   4771篇
  2015年   4013篇
  2014年   4916篇
  2013年   23981篇
  2012年   4768篇
  2011年   3899篇
  2010年   4008篇
  2009年   4872篇
  2008年   4095篇
  2007年   3657篇
  2006年   4263篇
  2005年   4201篇
  2004年   3678篇
  2003年   3365篇
  2002年   3126篇
  2001年   3289篇
  2000年   3174篇
  1999年   3181篇
  1998年   2891篇
  1997年   2725篇
  1996年   2619篇
  1995年   2458篇
  1994年   2416篇
  1993年   2366篇
  1992年   2605篇
  1991年   2443篇
  1990年   2303篇
  1989年   2184篇
  1988年   2159篇
  1987年   2168篇
  1986年   2163篇
  1985年   2431篇
  1984年   2532篇
  1983年   2311篇
  1982年   2374篇
  1981年   2349篇
  1980年   2206篇
  1979年   2172篇
  1978年   2184篇
  1977年   2163篇
  1976年   1938篇
  1975年   2005篇
  1974年   2059篇
  1973年   1911篇
  1972年   1486篇
排序方式: 共有10000条查询结果,搜索用时 15 毫秒
941.
942.
943.
944.
945.
To teach conservation to mildly retarded, preoperational preadolescents (9 to 12 years old), a number-representational system was used to mediate the invariance of quantity as part of "equality-rule" training. Before viewing a perceptually misleading configuration of either two equal quantities or two unequal quantities entailing the dimensions of number or length, participants learned that equality involved the assignment of two identical numbers and inequality the assignment of two different numbers. These numbers were then applied to the actual quantities and became the basis for rule statements that were rehearsed, memorized, and subject-generated each time the quantities were transformed into a new configuration. Following equality training, correct judgments and verbal justifications of conservation were high (M greater than or equal to 85%) during both immediate and delayed post-tests and for near-generalization (number and length) and far-generalization (weight, liquid substance, and solid substance) tasks. In contrast, the post-test levels of comparable participants given learning-set (LS) training, LS plus verbal-rule training (a combination of statements about identity, negation, and compensation), or no training at all were substantially and significantly lower. Equality training is of theoretical and practical interest because of its potential to teach a symbolic representational rule that directly and meaningfully articulates the quantitative properties of objects and counteracts the overreliance on task-specific and faulty perceptual cues inherent in the conservation task.  相似文献   
946.
In this study 21 displaced workers were interviewed regarding factors affecting their participation in training programs funded by the Job Training Partnership Act. Differences between program participants and nonparticipants, differences among program participants, and differences among nonparticipants were identified.  相似文献   
947.
The Career Exploration Inventory, an innovative interest inventory that measures work and leisure interests throughout the life span, can be used by employment counselors to assist their clients in the exploration of the interaction of work and leisure interests.  相似文献   
948.
Associations of two different response sets on the Infrequent Response Index of the Strong Interest Inventory (SII) were examined. In one, participants responded to each item randomly; in the other, participants deliberately misrepresented their responses. The finding of scores higher than those proposed in the SII manual for the Infrequent Response Index suggests an alternative interpretation of this critical index.  相似文献   
949.
This study examined the career aspirations of pregnant teens enrolled in a program designed to minimize their chances of dropping out of high school. The teens completed a demographic data form that included questions on their career aspirations. The data were coded by Holland type using the Dictionary of Holland Occupational Codes. Trends were discussed in light of the future labor market and critical need for career counseling for this at-risk population.  相似文献   
950.
Employers of human resource professionals described their hiring practices. This information is especially useful for counselors and for developing curricula for nonbusiness majors interested in human resource careers.  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