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   860篇
  免费   31篇
  2020年   17篇
  2019年   17篇
  2018年   21篇
  2017年   19篇
  2016年   25篇
  2015年   20篇
  2014年   12篇
  2013年   103篇
  2012年   30篇
  2011年   28篇
  2010年   23篇
  2009年   18篇
  2008年   36篇
  2007年   36篇
  2006年   24篇
  2005年   22篇
  2004年   40篇
  2003年   29篇
  2002年   36篇
  2001年   19篇
  2000年   10篇
  1999年   11篇
  1998年   19篇
  1997年   16篇
  1996年   11篇
  1995年   14篇
  1994年   12篇
  1993年   12篇
  1992年   14篇
  1991年   9篇
  1990年   8篇
  1989年   7篇
  1988年   5篇
  1987年   10篇
  1986年   7篇
  1985年   7篇
  1984年   7篇
  1983年   14篇
  1982年   8篇
  1981年   6篇
  1980年   8篇
  1978年   10篇
  1976年   7篇
  1975年   6篇
  1974年   9篇
  1973年   6篇
  1972年   6篇
  1971年   5篇
  1960年   4篇
  1951年   4篇
排序方式: 共有891条查询结果,搜索用时 15 毫秒
121.
An operant problem-solving model was used to assist two handicapped young boys to learn the concept of number. During the initial baseline condition, with intermittent teacher-attention contingencies in a classroom setting, both boys were performing number concept tasks at about the 50% level of accuracy. The situation was changed to a one-to-one, tutor-pupil arrangement, with continuous reinforcement for correct responses. This alteration failed to increase the subjects' accuracy rates. Training was initiated in which the covert part of the response chain was made overt (e.g., attending and counting out loud) so that mediating responses could be monitored and reinforced. Once the subjects were performing at a high degree of accuracy, the reinforcers for the mediating responses were systematically eliminated and only final solution responses were reinforced. Accuracy of problem solutions remained high after training.This research was supported by the U.S. Office of Education, Division of Research, Bureau of Education for the Handicapped, Project No. 23–2030, Grant No. OEG-0-9-232030-0762(032). Linda S. Berner contributed to the execution of the study. Her assistance is greatly appreciated.  相似文献   
122.
The effect of alertness on S's sensitivity to external signals was determined by varying the foreperiod in a visual signal detection task. Discriminability increased with increasing foreperiods up to an optimal foreperiod, beyond which it decreased slightly. This pattern of results parallels closely that of many foreperiod studies in which reaction time was the dependent variable. Because no speeded response was required in this signal detection task, it was concluded that alertness must be affecting an information processing stage prior to those associated with responding. Other evidence indicates that alertness does not affect sensory stages either. Alertness, by elimination, must be affecting the operation of a central stage, Posner's view of alertness which implicates the central stages is discussed.  相似文献   
123.
Charles Parsons 《Synthese》1974,27(3-4):405-411
The paper comments on Dummett's Significance of Quine's Indeterminacy Thesis and discusses Quine's views on the translation of logical connectives. Some difficulties about the latter related to those raised by Morton (J. Phil. 70 (1973), 503–510) are considered. Quine seems here to be in a position considered by Dummett of not allowing a foreigner to be translated as conflicting with one's own firm theoretical commitment (in this case classical logic). But Dummett seems wrong in holding that entrenched theoretical statements must be stimulus analytic.A revised and expanded version of remarks at the Conference on Language, Intentionality, and Translation Theory, University of Connecticut, Storrs, March 2, 1973, commenting on Michael Dummett, The Significance of Quine's Indeterminacy Thesis. I am greatly indebted to the discussion at the Conference.  相似文献   
124.
125.
126.
When re-establishing their lives in Canada, international migrants with dependent children regularly encounter dramatically different conditions for family life. The parents’ employment situation, the limited availability of extended kin to help with child rearing, and a multicultural and relatively more permissive social environment, all of these invite or even demand changes in newcomers’ family practices. Yet, more information is needed about the ways in which skilled immigrants negotiate the changed conditions for work and family life in this country, and the impact this has on family dynamics during settlement. Drawing on data from interviews with 30 skilled immigrants living in Calgary, Alberta, this paper explores how coming to Canada impacted participants’ situations of paid work, parenting practices, and familial gender relations. Findings suggest that strained economic and social resources often limited the extent to which mothers and fathers were able to maintain an organization of family life similar to what they had established in their country of origin. However, while in some cases, shifts in family formation caused heightened levels of stress and strain and further entrenched the doing of conventional gender roles, in others, changed conditions acted as a catalyst for positive change. The tools that eased the burdens of settlement for some are explored, and recommendations are made for how to better support newcomer families.  相似文献   
127.
This meta‐analysis of 152 published posttraumatic stress disorder (PTSD) clinical trials from 1990 to 2012 concluded that counseling generally produced a small to large effect of treatment across all comparison conditions at termination (d+ = 0.30 to 0.89). These gains were maintained at longest follow‐up (d+ = 0.58 to 0.86) for the wait‐list, treatment‐as‐usual, and single‐group comparisons, but not for the follow‐up placebo comparison (d+ = 0.15), probably because of the low power (j = 3 placebo studies). Clinical trial findings were synthesized using a random‐effects model. No effects of publication bias or moderating variables were evident. No difference was found between trauma‐focused and non‐trauma‐focused approaches. Implications for counseling practice and future PTSD outcome research are addressed.  相似文献   
128.
Cultural psychologists study the extent to which human psychological experience is shaped by our participation in sociocultural practices, meanings, and products. Cultural psychologists document cultural differences both inside the head (in the form of emotions, cognitions, or motivations) and outside the head (in the form of public behaviors, cultural products, or institutions). Because cultural psychologists argue that culture and psyche “make each other up,” it is appropriate to study cultural difference at many loci—not just the traditional psychological areas in which many of us were trained. In this article, I describe cultural psychological evidence based on its social visibility and tangible nature. One category is collected on private, intangible, inside‐the‐head activities such as emotions, values, or motives. Another category, social interactions and behavioral performances, is intangible, public, and outside the head and includes how people talk to each other and how they walk, drive, or dress. A third category contains cultural products, which are tangible, public, and outside the head; it includes texts, websites, advertising, art, and architecture. These varying loci of cultural psychology allow us to appropriately document cultural differences and also allow us to study how humans are shaped by, and participate in recreating, their cultural contexts.  相似文献   
129.
Increasing rates of youth violence and crime have exerted pressure on schools to maintain an orderly learning environment. Exclusionary measures, a common disciplinary procedure, however, have been under intense scrutiny. Our study examined disciplinary practices in elementary and secondary schools by surveying building administrators. Findings indicate strong correlation between level (secondary) and size of school, and socioeconomic status of students and rates of disciplinary actions; significant differences between school levels on disciplinary action for similar offenses and on availability of support programs; and differences in beliefs between elementary and secondary level administrators on the consequences of exclusionary actions.  相似文献   
130.
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