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   13754篇
  免费   583篇
  国内免费   13篇
  14350篇
  2023年   72篇
  2021年   118篇
  2020年   213篇
  2019年   262篇
  2018年   358篇
  2017年   352篇
  2016年   372篇
  2015年   267篇
  2014年   347篇
  2013年   1532篇
  2012年   609篇
  2011年   653篇
  2010年   393篇
  2009年   419篇
  2008年   567篇
  2007年   564篇
  2006年   571篇
  2005年   522篇
  2004年   479篇
  2003年   505篇
  2002年   487篇
  2001年   247篇
  2000年   221篇
  1999年   219篇
  1998年   199篇
  1997年   213篇
  1996年   194篇
  1995年   169篇
  1994年   158篇
  1993年   153篇
  1992年   141篇
  1991年   152篇
  1990年   135篇
  1989年   120篇
  1988年   88篇
  1987年   117篇
  1986年   127篇
  1985年   162篇
  1984年   160篇
  1983年   139篇
  1982年   130篇
  1981年   143篇
  1980年   125篇
  1979年   108篇
  1978年   118篇
  1977年   108篇
  1976年   107篇
  1975年   94篇
  1974年   104篇
  1973年   85篇
排序方式: 共有10000条查询结果,搜索用时 0 毫秒
971.
Cultures shape the types of goals that students pursue in the classroom. However, research in achievement goal theory seems to have neglected this cultural aspect with its exclusive focus on individualistically-based goals such as mastery and performance goals. This emphasis on mastery and performance goals may reflect Western individualist psychological thinking. Thus, social goals, which may be more salient in collectivist cultures, are relatively neglected. There is a dearth of studies investigating the role of social goals in academic motivation, and the few studies that did explore them are somewhat problematic. This paper reviews research done within the achievement goal theory, considers the need for more studies on social goals, and concludes with the argument that social goals are important in understanding student motivation especially in collectivist cultures.  相似文献   
972.
This study evaluated hypothesized positive linkages between organizational citizenship behavior and the emotional intelligence dimensions of perception, using emotion, understanding emotion, and management of emotion, involving two samples. Sample 1 comprised 334 employed college students, 52% male, with a mean age of 23.4 yr., who worked an average of 29.6 hr. per week. Sample 2 comprised 72 professors, 81% female, with a mean age of 47 yr. Measures were the Emotional Intelligence Scale and the Organizational Citizenship Behavior Scale. Results of hierarchical multiple regressions indicated a positive link between organizational citizenship behavior and emotional intelligence. There were differences between the samples. In Sample 1, each of the emotional intelligence dimensions were positively linked to citizenship behavior: using and managing emotion were the greatest contributors. In Sample 2, managing emotion was the only contributor. Emotional intelligence had the strongest relationship with citizenship behavior directed at individuals.  相似文献   
973.
In a sample of 149 undergraduate students, measures of religiosity and spirituality were positively associated with measures of depression, mania, and past suicidal ideation.  相似文献   
974.
Research using Knoblauch and Falconer's Ego-Grasping Scale is reviewed. Using a sample of 695 undergraduate students, the scale had moderate reliability (Cronbach alpha, odd-even numbered items, and test-retest), but a principal-components analysis with a varimax rotation identified five components, indicating heterogeneity in the content of the items. Lower Ego-Grasping scores appear to be associated with better psychological health. The scale has been translated and used with Korean, Kuwaiti, and Turkish students, indicating that the scale can be useful in cross-cultural studies.  相似文献   
975.
Mexico has experienced dynamic changes in its religious landscape, but relatively little is known about the ways in which the affiliates of the diverse religious groups differ in their socioeconomic and family characteristics. This paper examines religious group differences in key demographic indicators of socioeconomic status and family structure using the 2000 Mexican Census. The changing patterns of religious affiliation in Mexico signal increasing religious, socioeconomic and familial diversity. Non-Christians and Mormons stand out for having higher scores on education and the wealth index relative to other religious groups. Most groups have lower rates of consensual unions and higher rates of marriage than do Catholics. These same groups also tend to have larger families and lower divorce/separation. These trends seem inconsistent with the Catholic teachings about marriage, divorce and contraception. Apparently, new groups are attracting adherents who have family orientations that differ from main-stream Mexican society.  相似文献   
976.
David Slutsky 《Synthese》2012,184(3):261-286
Many people argue that history makes a special difference to the subjects of biology and psychology, and that history does not make this special difference to other parts of the world. This paper will show that historical properties make no more or less of a difference to biology or psychology than to chemistry, physics, or other sciences. Although historical properties indeed make a certain kind of difference to biology and psychology, this paper will show that historical properties make the same kind of difference to geology, sociology, astronomy, and other sciences. Similarly, many people argue that nonhistorical properties make a special difference to the nonbiological and the nonpsychological world. This paper will show that nonhistorical properties make the same difference to all things in the world when it comes to their causal behavior and that historical properties make the same difference to all things in the world when it comes to their distributions. Although history is special, it is special in the same way to all parts of the world.  相似文献   
977.
Solution concepts for game play implicitly assume what information is relevant for choosing moves. Maximin and Eliminating Dominated Strategies use payoff order; mixed strategies and Harsanyi??s risk dominance use payoff values. ??Cooperative?? strategies use previous choices, ignoring payoffs altogether. We first define the 12 symmetric 2 × 2 games as a continuous payoff space then use this space to evaluate strategies based on different types of information. Strategic success is shown to be sensitive to actual payoffs and seldom consistent for all games of an ordinally defined category such as Chicken. A new hybrid strategy using both payoff and choice information is introduced and shown to produce efficient outcomes in all symmetric 2 × 2 games when employed by both players. It does well in evolutionary tournaments against strategies of other types, especially in the difficult distribution games including Battle-of-the-Sexes.  相似文献   
978.
David Lauer 《Philosophia》2012,40(1):55-73
Robert Brandom defends the intelligibility of the notion of a fully discursive practice that does not include any kind of logical vocabulary. Logical vocabulary, according to his account, should be understood as an optional extra to discursive practice, not as a necessary ingredient. Call this the Layer Cake Picture of the relation of logical to non-logical discursive practices. The aim pursued in this paper is to show, by way of an internal critique, that the Layer Cake Picture is in fact incompatible with the most central claims of Brandom’s philosophy. A way is sketched how to give up the Layer Cake Picture and still hold on to a position that is central to Brandom’s philosophical outlook, namely his expressivism about logic.  相似文献   
979.
A fundamental advance in our understanding of human language would come from a detailed account of how non-linguistic and linguistic manual actions are differentiated in real time by language users. To explore this issue, we targeted the N400, an ERP component known to be sensitive to semantic context. Deaf signers saw 120 American Sign Language sentences, each consisting of a “frame” (a sentence without the last word; e.g. BOY SLEEP IN HIS) followed by a “last item” belonging to one of four categories: a high-close-probability sign (a “semantically reasonable” completion to the sentence; e.g. BED), a low-close-probability sign (a real sign that is nonetheless a “semantically odd” completion to the sentence; e.g. LEMON), a pseudo-sign (phonologically legal but non-lexical form), or a non-linguistic grooming gesture (e.g. the performer scratching her face). We found significant N400-like responses in the incongruent and pseudo-sign contexts, while the gestures elicited a large positivity.  相似文献   
980.
The Parallel Distributed Processing (PDP) framework has significant potential for producing models of cognitive tasks that approximate how the brain performs the same tasks. To date, however, there has been relatively little contact between PDP modeling and data from cognitive neuroscience. In an attempt to advance the relationship between explicit, computational models and physiological data collected during the performance of cognitive tasks, we developed a PDP model of visual word recognition which simulates key results from the ERP reading literature, while simultaneously being able to successfully perform lexical decision—a benchmark task for reading models. Simulations reveal that the model’s success depends on the implementation of several neurally plausible features in its architecture which are sufficiently domain-general to be relevant to cognitive modeling more generally.  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