全文获取类型
收费全文 | 23405篇 |
免费 | 211篇 |
国内免费 | 52篇 |
专业分类
23668篇 |
出版年
2023年 | 49篇 |
2022年 | 41篇 |
2021年 | 50篇 |
2020年 | 101篇 |
2019年 | 99篇 |
2018年 | 3567篇 |
2017年 | 2908篇 |
2016年 | 2362篇 |
2015年 | 266篇 |
2014年 | 174篇 |
2013年 | 440篇 |
2012年 | 716篇 |
2011年 | 2548篇 |
2010年 | 2613篇 |
2009年 | 1564篇 |
2008年 | 1818篇 |
2007年 | 2293篇 |
2006年 | 153篇 |
2005年 | 320篇 |
2004年 | 257篇 |
2003年 | 202篇 |
2002年 | 160篇 |
2001年 | 96篇 |
2000年 | 88篇 |
1999年 | 51篇 |
1998年 | 49篇 |
1997年 | 45篇 |
1996年 | 31篇 |
1995年 | 33篇 |
1994年 | 40篇 |
1993年 | 24篇 |
1992年 | 36篇 |
1991年 | 27篇 |
1990年 | 29篇 |
1989年 | 25篇 |
1988年 | 27篇 |
1987年 | 21篇 |
1986年 | 26篇 |
1985年 | 26篇 |
1984年 | 20篇 |
1983年 | 19篇 |
1982年 | 20篇 |
1980年 | 15篇 |
1979年 | 21篇 |
1978年 | 29篇 |
1977年 | 19篇 |
1976年 | 13篇 |
1975年 | 13篇 |
1974年 | 18篇 |
1973年 | 15篇 |
排序方式: 共有10000条查询结果,搜索用时 13 毫秒
231.
232.
233.
Luc Steels 《Kognitionswissenschaft》1999,8(4):143-150
Linguistics must again concentrate on the evolutionary nature of language, so that language models are more realistic with respect to human natural languages and have a greater explanatory force. Multi-agent systems are proposed as a possible route to develop such evolutionary models and an example is given of a concrete experiment in the origins and evolution of word-meaning based on a multi-agent approach. 相似文献
234.
Diane M. Lee 《Journal of Adult Development》1999,6(3):175-183
This article responds to three questions: What if the primary mission of the university is to (i) nourish the intellect, (ii) commit to the sacredness of all life, and (iii) foster spirituality? Responses examine multiple forms of literacy, instruction that is ecologically valid and thus oriented toward the unity of knowledge, and teaching as a moral activity. The suggestion here is that meaningful reform will emphasize education of the whole person in relation to the physical, symbolic, and social environments. Curricula focused on forms of representation, modes of treatment, and syntactic structure, adaptive understandings, constructed meanings, critical thinking, real problems, connected knowing, creativity, inspiration, service learning, and the development of declarative procedural and poetic knowledge are discussed. 相似文献
235.
236.
Fiona Lee 《Journal of applied social psychology》1999,29(7):1472-1496
The verbal strategies used to frame requests for help are integral to the help-seeking process. Drawing on politeness theory, it was predicted that gender, power, and norms affect usage of verbal strategies in seeking help, and verbal strategies predict interpersonal outcomes. Two studies showed that: (a) individuals used more strategies under collectivistic than individualistic norms; (b) under individualistic norms, men used more strategies when seeking help upward, and women used more strategies when seeking help laterally; and (c) those who used more strategies provided higher quality information, and were perceived more favorably by others. These results suggest that verbal strategies not only reflect important relational and contextual factors, but also serve multiple social functions. 相似文献
237.
Luke Robinson 《Philosophical Studies》2011,156(2):289-309
What are moral principles? In particular, what are moral principles of the sort that (if they exist) ground moral obligations or—at the very least—particular moral truths? I argue that we can fruitfully conceive of such principles as real, irreducibly dispositional properties of individual persons (agents and patients) that are responsible for and thereby explain the moral properties of (e.g.) agents and actions. Such moral dispositions (or moral powers) are apt to be the metaphysical grounds of moral obligations and of particular truths about what is morally permissible, impermissible, etc. Moreover, they can do other things that moral principles are supposed to do: explain the phenomena “falling within their scope,” support counterfactuals, and ground moral necessities, “necessary connections” between obligating reasons and obligations. And they are apt to be the truthmakers for moral laws, or “lawlike” moral generalizations. 相似文献
238.
Daniel S. Lee Julie A. Cederbaum Jordan P. Davis Michael S. Hurlburt Ferol E. Mennen 《Family process》2023,62(1):254-271
Maternal and adolescent depression are challenges that often co-occur. Many studies have drawn bivariate associations between maternal depressive symptoms, adolescent depressive symptoms, and family conflict, but few have examined reciprocal effects. Even among extant studies, there is a lack of clarity related to directionality of influence. Three competing theoretical models may explain the relationship between maternal depressive symptoms, adolescent depressive symptoms, and family conflict, and these processes may differ by adolescents’ sex. Using three time points of data from 187 diverse mother-adolescent dyads, we fit a taxonomy of autoregressive cross-lagged structural equation models to simultaneously evaluate the competing theoretical models and also examine differences by sex using multiple-group analyses. Results indicate a symptom-driven model whereby adolescent depressive symptoms predicted increases in family conflict. Sex differences were also found. For males, but not females, greater adolescent depressive symptoms predicted subsequent increases in maternal depressive symptoms, which then predicted lower family conflict—possibly indicating maternal disengagement/withdrawal. Our findings suggest addressing adolescent depressive symptoms in order to prevent family conflict and that distinctive targets for the prevention/intervention of family conflict should account for differences by adolescents’ sex. 相似文献
239.
Why do people express moral outrage? While this sentiment often stems from a perceived violation of some moral principle, we test the counter-intuitive possibility that moral outrage at third-party transgressions is sometimes a means of reducing guilt over one’s own moral failings and restoring a moral identity. We tested this guilt-driven account of outrage in five studies examining outrage at corporate labor exploitation and environmental destruction. Study 1 showed that personal guilt uniquely predicted moral outrage at corporate harm-doing and support for retributive punishment. Ingroup (vs. outgroup) wrongdoing elicited outrage at corporations through increased guilt, while the opportunity to express outrage reduced guilt (Study 2) and restored perceived personal morality (Study 3). Study 4 tested whether effects were due merely to downward social comparison and Study 5 showed that guilt-driven outrage was attenuated by an affirmation of moral identity in an unrelated context. 相似文献
240.
Kyle Lee Williams 《Psychological Perspectives》2015,58(1):34-43
This article examines the personal and archetypal aspects of images from six dreams that occurred during the illness and after the death of the dreamer's sister. It connects the dream images to the unresolved issues in the relationship between siblings and to the dreamer's own reflections on typology. It also explores the larger questions concerning the psychological process of grief, the common occurrence of synchronistic events related to death and loss, and includes Jung's comments on life and death. Finally, the article suggests solutions to our very human fears of death and encourages the development of our capacity to discover a personal mythology, a working sacred story, of “the beyond” or “life” after death. 相似文献