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   26175篇
  免费   267篇
  国内免费   3篇
  2023年   46篇
  2022年   43篇
  2021年   66篇
  2020年   113篇
  2019年   156篇
  2018年   3613篇
  2017年   2948篇
  2016年   2433篇
  2015年   318篇
  2014年   212篇
  2013年   780篇
  2012年   828篇
  2011年   2633篇
  2010年   2667篇
  2009年   1635篇
  2008年   1926篇
  2007年   2378篇
  2006年   255篇
  2005年   412篇
  2004年   383篇
  2003年   304篇
  2002年   251篇
  2001年   126篇
  2000年   129篇
  1999年   103篇
  1998年   107篇
  1997年   80篇
  1996年   107篇
  1995年   88篇
  1994年   91篇
  1993年   66篇
  1992年   73篇
  1991年   56篇
  1990年   62篇
  1989年   55篇
  1988年   47篇
  1987年   54篇
  1986年   46篇
  1985年   73篇
  1984年   53篇
  1983年   62篇
  1982年   63篇
  1981年   49篇
  1980年   45篇
  1979年   38篇
  1978年   35篇
  1977年   39篇
  1976年   34篇
  1975年   32篇
  1974年   36篇
排序方式: 共有10000条查询结果,搜索用时 46 毫秒
111.
112.
3 groups of university freshmen took the SAT-V before and after a course in Accelerated Reading. The mean post-test scores for 2 groups increased slightly less than 10 points, while the mean post-test score for the third group decreased significantly. It is concluded that for the type of students used in this study, a course emphasizing speed and accuracy of reading is not of value in increasing scores on the verbal part of the Scholastic Aptitude Test.  相似文献   
113.
A model for signal detectability suggested by Luce is extended to situations in which the observer is uncertain of some important characteristic of the signal, such as frequency. By making a single assumption concerning the observer's covert response behavior, two solutions are obtained corresponding to qualitatively different behavior. Decrements in detectability and in recognition with uncertainty are shown to be particular functions of discriminability and detectability of the stimuli in other situations. Relevant experimental data are considered.This work was supported by grant NSF-G5544 from the National Science Foundation. The author is indebted to R. Duncan Luce for critical discussion of the content and helpful suggestions concerning the form of this paper. Useful comments have been made by David M. Green, Francis W. Irwin, Roger M. Shepard, and W. P. Tanner, Jr.  相似文献   
114.
An adaptation-level model for memory was tested by interpolating different weights between the standard and comparison weights. The results suggest that the model should be modified to account for the general tendency to use alternative categories of judgment with equal frequency. In terms of the modified model, memory for the standard shifts toward the value of the interfering stimulus, the magnitude of shift being proportional to the difference between the interfering stimulus and the value the memory would otherwise have had.  相似文献   
115.
116.
The structure of a course entitled Family Therapy with Major Psychopathology taught annually in the Mercer University Graduate Marriage and Family Therapy Program is presented. An epistemological presentation regarding the interface of psychiatric nosology and family systems assessment is discussed. Methods of diagnosing and assessing dysfunctional family systems are presented and training in individual psychiatric nosology is discussed, with particular attention given to family systems dysfunction as an etiological factor in the development of individual psychopathology. Learning techniques are discussed including lecture, discussion, case presentations, readings, and testing methods.  相似文献   
117.
This paper describes the classical understanding of the system ofchakras, or centers of spiritual energy, in tantric yoga. Eachchakra is presented in terms of its traditional understanding. Each is also discussed in the light of contemporary psychological stage theories of development, showing that thechakras can be seen as a model of spiritual development. The preoccupations, concerns, and attitudes associated with eachchakra are portrayed as a mirror of the human mind/heart when spiritual energy is concentrated at that location.She is also founder and chair of the board of Resources for Ecumenical Spirituality.  相似文献   
118.
119.
Three mildly malnourished children with cystic fibrosis and their parents participated in a behavioral group-treatment program that focused on promoting and maintaining increased calorie consumption. Treatment included nutritional education, gradually increasing calorie goals, contingency management, and relaxation training, and was evaluated in a multiple baseline design across four meals. Children's calorie intake increased across meals, and total calorie intake was 32% to 60% above baseline at posttreatment. Increased calorie consumption was maintained at the 96-week follow-up (2 years posttreatment). The children's growth rates in weight and height were greater during the 2 years following treatment than the year prior to treatment. Increases in pace of eating and calories consumed per minute were also observed 1 year posttreatment. These findings replicated and extended earlier research supporting the efficacy of behavioral intervention in the treatment of malnutrition in children with cystic fibrosis.  相似文献   
120.
One-hundred and ninety-two children (equally split between boys and girls) were studied when they were 5 years old in two settings, school and home. The children were observed in playgroups and at home, and were rated on activity level by their parents on the Rothbart Child Behavior Questionnaire. At age 7, the children were tested in our laboratory on the Harter Test of Perceived Competence and on an achievement task, and parents filled out the Child Behavior Checklist, the Child Behavior Questionnaire, and the Conners Parent Rating Scale. Home observations of activity level were significantly related to parent ratings of activity level, but not to school observations. Activity level at age 5 was related to parents' ratings of aggression and hyperactivity and to girls' learning problems at age 7. Activity level was not related to the children's self-perceived competence, but mothers' rating of high activity level at age 5 was related to low reading comprehension at age 7.Preparation of this paper was supported in part by the Center for Research for Mothers and Children, NICHD, U.S. PHS grant HD 19739 to Beverly I. Fagot.  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