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   3663篇
  免费   131篇
  3794篇
  2022年   20篇
  2021年   27篇
  2020年   60篇
  2019年   75篇
  2018年   87篇
  2017年   102篇
  2016年   105篇
  2015年   80篇
  2014年   111篇
  2013年   449篇
  2012年   165篇
  2011年   179篇
  2010年   83篇
  2009年   106篇
  2008年   148篇
  2007年   175篇
  2006年   171篇
  2005年   124篇
  2004年   112篇
  2003年   108篇
  2002年   133篇
  2001年   70篇
  2000年   63篇
  1999年   48篇
  1998年   52篇
  1997年   58篇
  1996年   41篇
  1995年   41篇
  1994年   32篇
  1993年   34篇
  1992年   46篇
  1991年   30篇
  1990年   35篇
  1989年   35篇
  1988年   26篇
  1987年   28篇
  1986年   33篇
  1985年   32篇
  1984年   26篇
  1983年   35篇
  1982年   37篇
  1981年   33篇
  1980年   33篇
  1979年   28篇
  1978年   29篇
  1977年   29篇
  1976年   34篇
  1975年   30篇
  1974年   25篇
  1973年   24篇
排序方式: 共有3794条查询结果,搜索用时 0 毫秒
51.
52.
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   
53.
Studied 194 lesbian, gay, and bisexual youth aged 21 and younger who attended programs in 14 community centers to determine the personal challenges they face due to their sexual orientation and their responses to these stresses. First awareness of sexual orientation typically occurred at age 10, but disclosure to another person did not occur until about age 16. There was much variability in sexual behavior, and many youths reported both same-sex and opposite-sex sexual experiences. Although most had told at least one family member about their sexual orientation, there remained much concern about family reactions. Suicide attempts were acknowledged by 42% of the sample. Attempters significantly differed from nonattempters on several milestones of sexual orientation development, social aspects of sexual orientation, parents' knowledge of sexual orientation, and mental health problems. The following organizations participated in this project and are thanked for their assistance: Affirmations (Detroit), the Atlanta Gay Center, Baltimore Gay and Lesbian Community Center, Boston Alliance of Gay and Lesbian Youth, Gay Alternative Youth (Pittsburgh), the Gay and Lesbian Youth Association of Dallas, Gay Youth Alliance — San Diego, the Gay and Lesbian Community Services Center of Los Angeles, Horizons Community Services (Chicago), the Indianapolis Youth Group, the Lesbian and Gay Community Services Center of Cleveland, Lavender Youth Recreation and Information Center (San Francisco), Outright (Denver), and Sexual Minority Youth Assistance League (Washington, DC). The following individuals associated with these groups are gratefully thanked for their help: Danny Barutta, Adriene Corbin, Tom Eversole, Chris Gonzalez, Bill Gripp, Rory Lopez, Phil Rector, Jamie Schield, Cheryl Schwartz, Jan Stephenson, Sterling Stowell, Amy Vitro, and Aubrey Wertheim. Gene Thomas is thanked for helping with data collection, as are Michael LaFlam, Patrick McNamara, and Mark Shiner, who processed the surveys. We also thank Rainer Silbereisen for his comments. This project was supported by funds from the Center for the Study of Child and Adolescent Development of the College of Health and Human Development at Pennsylvania State University.  相似文献   
54.
Increased attention has been directed recently to assisting persons with severe handicaps to express preferences concerning events in their lives. We evaluated a program for assessing choice-making skills to provide opportunities for persons with profound mental retardation to express food and drink preferences. In Experiment 1, the assessment procedure involving repeated, paired-item presentations resulted in active choice making and the identification of preferences for all 5 participants. Results also indicated that caregiver opinion was not predictive of participant food and drink preferences. A survey of service providers supported the importance of meal-related choices in this population. In Experiment 2, the practicality of the assessment procedure was supported by demonstrating that (a) routine caregivers could apply the procedure with appropriate supervision to provide choice opportunities, and (b) results of the procedure were predictive of participant choices when a less structured and more normal opportunity to express a preference was provided during regular mealtimes. Results are discussed in terms of extending the developing technology of preference and reinforcer identification to other important areas for persons with severe disabilities.  相似文献   
55.
We evaluated the effects of several choice-related variables on the work performance of adults with severe handicaps. After assessing client work preferences, three choice-related situations were presented: (a) providing clients with the opportunity to choose a work task, (b) assigning a preferred task, and (c) assigning a nonpreferred task. Results indicated that clients attended to work tasks almost twice as much when they chose their tasks and when assigned to work on preferred tasks versus when assigned to work on nonpreferred tasks. Results are discussed regarding the need to assess systematically the effects of choice-related variables.  相似文献   
56.
Recent developments with the Rorschach invite research concerning cognitive and coping styles of learning disabled students. This study, based on an N of 25 (12 learning disabled and 13 controls), was designed to assess group differences in perceptual accuracy, self-concept, and reactivity. Analysis showed that learning disabled students represent a diverse population for which highly individualized understanding is required if appropriate schooling strategies are to be devised. Such students, compared with controls, were more inclined to have lower self-confidence, to be more reactive, to avoid emotionally-laden stimuli, to manifest a higher proportion of responses involving perceptual inaccuracies, and to be less spontaneous and less inclined to take risks. Some curricular implications of the findings are discussed.  相似文献   
57.
58.
The future of pediatric psychology is reviewed and placed in brief historical context in relation to children's psychological health care. Contemporary trends affecting the delivery of psychological services, research, and clinical training are highlighted, with suggestions for future development. Pediatric psychology is a child-based, developmentally-focused multidisciplinary practice directed toward psychosocial and neuropsychological issues of health and illness in children and youth. Pediatric psychologists need to develop strong professional identities as health care psychologists combined with a collegial and collaborative arrangement with physicians to ensure the future growth and development of pediatric psychology in the next century as a major vehicle to promote children's health care.  相似文献   
59.
60.
This article questions whether the model of stewardship is helpful in considering Christian responsibility towards non‐human nature and proposes a different way of treating the issue of care of the environment. In an extended engagement with the theology of Dietrich Bonhoeffer, the article argues that human relations to non‐human nature are best understood by seeing humanity as historical, political and natural. In theological formulation, humanity must be understood asimago dei, imago civitatis andimago mundi. Therefore the place of humanity cannot properly be understood without reference to both God and nature. Humanity, nature and God thereby constitute a ‘common realm’. A new test of Christian responsibility towards non‐human nature is introduced: of primary interest is how historical, political and natural humanity acts in ways which either reveal or obscure the ‘common realm of God, nature and humanity’. At this point, theological self‐understanding moves beyond the model of stewardship.  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