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   2607篇
  免费   164篇
  国内免费   15篇
  2786篇
  2025年   5篇
  2024年   50篇
  2023年   68篇
  2022年   44篇
  2021年   54篇
  2020年   118篇
  2019年   170篇
  2018年   144篇
  2017年   162篇
  2016年   112篇
  2015年   99篇
  2014年   128篇
  2013年   356篇
  2012年   65篇
  2011年   68篇
  2010年   44篇
  2009年   64篇
  2008年   119篇
  2007年   105篇
  2006年   88篇
  2005年   107篇
  2004年   78篇
  2003年   67篇
  2002年   56篇
  2001年   54篇
  2000年   44篇
  1999年   35篇
  1998年   30篇
  1997年   27篇
  1996年   31篇
  1995年   35篇
  1994年   23篇
  1993年   27篇
  1992年   20篇
  1991年   23篇
  1990年   16篇
  1989年   5篇
  1988年   8篇
  1987年   1篇
  1986年   5篇
  1985年   2篇
  1984年   2篇
  1982年   3篇
  1981年   2篇
  1980年   3篇
  1978年   2篇
  1977年   9篇
  1976年   5篇
  1975年   3篇
排序方式: 共有2786条查询结果,搜索用时 0 毫秒
151.
Laboratory rats were used to investigate sex and strain differences in the effects of aggression on a cooperative behavior in which pairs learned to coordinate shuttling in a rectangular chamber. The level of aggression was manipulated by comparing males and females of the aggressive S3 strain and a less aggressive Sprague-Dawley-derived strain and housing same-sex partners either together or individually (8 groups, n = 7 pairs per group). Hormone levels were stabilized by gonadectomy and daily injections of the appropriate sex hormone. The only serious coordination deficits were in individually housed males, associated with violent fighting and an extreme dominance/subordinance relationship that was not observed in females. All other groups readily learned and performed the coordination with evidence that low and moderate levels of aggression could facilitate coordination by evoking species-typical behaviors that increased proximity, synchrony, and differentiation within pairs. The discussion focused on models of affiliative behavior in the study of aggression and the compatibility between moderate levels of aggression and cooperation.  相似文献   
152.
The challenge of excellence in community health services has been taken up by medical educators in Colombia. Confronted with a nation where the primary indicators of disease mortality and morbidity (cardiovascular disease and infant mortality) were characteristic of First and Third World patterns, respectively, the Ministry of Health and La Asociacion Colombiana de Facultades de Medicina (ASCOFAME), representatives of institutions of medical education, have collaborated to conduct a needs assessment of the country's health needs and devised an implementation plan designed to better address the needs of the majority of that nation's people.As a model, the Colombian reorganization of medical education is an example which could be emulated by the U.S. where policy makers are struggling with troublesome questions of cost, equity and quality.  相似文献   
153.
Behavioral, physiological (i.e., endocrine), and anatomical consequences of crowding in mice were studied in a situation where animals were in auditory, visual, olfactory, and tactile contact but restrained from full physical interactions, to prevent overt aggression. Males that cohabited with females undisturbed by neighboring conspecifics showed greater propensity to attack same-sex intruders and had higher plasma testosterone levels than did their “crowded” counterparts, that is, males cohabiting with females and housed adjacent to other male/female pairs. In this respect, the latter animals resembled submissive males. However, a significant increase in weight of androgen-dependent target organs (i.e., seminal vesicles and preputial glands) was found in crowded males. These data indicate that despite the observed inhibition of social aggression these males are not physiologically comparable (homologous) to male mice that experienced defeat and the stress of submission during fighting. The intriguing possibility that different conversion pathway of testosterone are accelerated, as a result of social communication, in males living in these two environments and the behavioral implications of these possibilities are discussed. Finally, the parental behavior of crowded animals, although not freely interacting with each other, was disrupted, causing a marked decrease in reproductive success. In this situation a high incidence of infanticide of their offspring by both parents was observed, whereas this behavior was virtually absent in non-crowded male/female pairs.  相似文献   
154.
Enthusiasm is growing in nursing and medicine for addressing spirituality and religious needs in patient care. We urge caution and stress the need for greater awareness of the dangers involved. The first danger is the lack of any attention given to how informed consent might be relevant to the topic of patient autonomy in spiritual health care decisions. The second danger is that the major health care providers, nursing and medicine, are not adequately educated to provide such care. The third danger is that we have not yet sufficiently clarified the roles of the various providers and as a consequence coordination of quality spiritual care is in jeopardy.  相似文献   
155.
试论高校隐性德育课程设计   总被引:15,自引:0,他引:15  
高校学生工作即德育工作,虽高等教育质量的生命线,这对于培养新世纪高素质人才具有十分重要的现实意义。高校德育主要是通过德育课程来完成的。高校德育课程由显性德育课程与隐性德育课程两部分构成。实施高校隐性德育课程设计必须深刻理解其内涵及特征,客观确定其价值取向,科学设计其课程内容。  相似文献   
156.
新加坡中小学的公民道德教育及借鉴   总被引:5,自引:0,他引:5  
借鉴新加坡中小学公民道德教育的成功经验,加强我国学校中的道德教育工作,必须提高认识,加强领导;改进德育课的教学方法,灌输和启发相结合;在各科教学中进行德育渗透;构建学校教育、社会教育、家庭教育一体化的德育网络;注重东西方德育经验的综合利用;强化道德实践,完善学校德育教育质量评价标准。  相似文献   
157.
158.
中国和澳大利亚父母报告的儿童社会性发展   总被引:3,自引:1,他引:3  
陈会昌 Sams.  A 《心理科学》1997,20(6):490-493,,513,
采用作者编制的《3-9岁儿童社会性发展量表》的英译本,在284名澳大利亚儿童中进行测试。结果表明,对于社会文化背景差异巨大的中国和澳大利亚,本量表具有较好的稳定性和跨文化适用性。儿童社会性发展的各个方面,在中澳父母心目中占有不同地位:中国父母重视自我意识、社会技能、意志品质,而澳大利亚父母更重视社会技能和社会情绪的发展。在中澳两个样本中,女孩的社会性发展量表得分均高于男孩。  相似文献   
159.
学校心理健康教育教师胜任力培养初探   总被引:3,自引:0,他引:3  
曾玲娟 《心理科学》2007,30(4):977-978
学校中小学心理健康教育的效果与其教师的胜任力有关。心理健康教育教师胜任力特征可以概括为:职业理念与专业意识、职业人格特质、专业知识与技能等。要提高中小学校心理健康教育教师胜任力,应从胜任力特征分析角度出发,设计相关课程与活动传授心理健康知识与技能,并将内隐心理健康教育理念及其人格特质融合于其中。  相似文献   
160.
We present a composite sample of the aggressive behavior of free-ranging rhesus monkeys (Macaca mulatta), recorded at two temples in Kathmandu, Nepal. We analyze the total number and the rate per monkey of threats, chases, attacks, fights, and aggressive acts directed at other species (principally humans), in order to elucidate social dynamics of the troop as a whole. Our 1,506 hours of observation were divided among the four seasons; between a.m. and p.m.; and among a temple yard, two parklands, and a forested garden. We found seasonal patterns to be the most important correlates of aggressive behavior. Habitat was a modulating influence, and time of day was the least important factor. Rates of aggression were generally higher per male monkey than per female. In terms of total aggression recorded, however, females instigated significantly more than males, both in encounters between monkeys and in aggression against other species. This finding is consistent with the females' greater numbers in the troop and with their lifelong membership in the troop. Analysis of behavior by social groups, rather than by individual rates, points up the iomportance of adult females and their social stability in troop behavior.  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