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   1562篇
  免费   30篇
教育   1227篇
科学研究   51篇
各国文化   18篇
体育   128篇
综合类   2篇
文化理论   10篇
信息传播   156篇
  2023年   4篇
  2022年   9篇
  2021年   28篇
  2020年   24篇
  2019年   50篇
  2018年   73篇
  2017年   76篇
  2016年   64篇
  2015年   47篇
  2014年   57篇
  2013年   338篇
  2012年   41篇
  2011年   38篇
  2010年   38篇
  2009年   36篇
  2008年   44篇
  2007年   45篇
  2006年   39篇
  2005年   36篇
  2004年   40篇
  2003年   33篇
  2002年   43篇
  2001年   29篇
  2000年   19篇
  1999年   24篇
  1998年   14篇
  1997年   19篇
  1996年   20篇
  1995年   15篇
  1994年   16篇
  1993年   22篇
  1992年   20篇
  1991年   22篇
  1990年   15篇
  1989年   10篇
  1988年   14篇
  1987年   14篇
  1986年   10篇
  1985年   11篇
  1984年   11篇
  1983年   7篇
  1982年   8篇
  1981年   6篇
  1980年   13篇
  1979年   9篇
  1978年   5篇
  1977年   7篇
  1976年   7篇
  1974年   3篇
  1973年   4篇
排序方式: 共有1592条查询结果,搜索用时 15 毫秒
121.
122.
This study examines frequency, overlap, and genetic and environmental influences on sleep difficulties, which are understudied in school-aged children. The Sleep Self Report and the Children's Sleep Habits Questionnaire were completed by 300 twin pairs (aged 8 years) and their parents. Child report suggested more frequent sleep problems than parent report (e.g., regular sleep onset delay was reported by 45% of children and 17% of parents). Associations between most of the sleep difficulties were small but significant (e.g., r(s)=.16 for parent report of bedtime resistance and sleep onset delay). Twin correlations based on parent reports suggest greater genetic influence (M=50%) than those based on child self-report (M=18%). Possible rater effects should be considered when evaluating children's sleep problems.  相似文献   
123.
In Experiment 1, a potentiation paradigm was used to test the relative influence of odor and taste with two 2 basic tastants (i.e., salt and sweet) in conditioned aversion learning. Experiment 1 showed that aversions to tastants (salt or sweet presented in a manner by which it could be tasted) were established only in subjects trained with the tastant, not the odor (i.e., salt or sweet presented in a manner by which it could not be tasted). Experiment 2 demonstrated, with a sensory preconditioning procedure, that the expression of an aversion to tastants was dependent on previous tastant experience prior to odor aversion training. These results suggest that while subjects can smell salt and sweet solutions, these odors are neither sufficient nor necessary for the expression of a conditioned tastant aversion.  相似文献   
124.
OBJECTIVE: This study examined the characteristics and patterns of child abuse among immigrant Korean families in Los Angeles and critical variables that contribute to the type of placement made by the child protective services (CPS) system. METHOD: Data were obtained from reviewing and analyzing 170 active Korean case files maintained by the Asian Pacific Unit (APU) of the Los Angeles County Department of Children and Family Services (LAC-DCFS) during July through September, 2001. Logistic regression analysis was employed to examine the odds of children being kept in or removed from the home. RESULTS: Some of the major findings from this study include: (1) immigrant Korean families are more likely to be charged with physical abuse (49.4%) and less likely to be charged with neglect (20.6%) in comparison with all other groups in Los Angeles (13.2% and 27.1%, respectively); (2) the circumstance under which physical abuse occurred most frequently was corporal punishment used by Korean parents with an intention to discipline their children; and (3) the context under which emotional abuse occurred among the Korean families was likely to be children's witnessing domestic violence. In addition, the logistic regression showed that response status, referral source, living arrangement, victim's relationship to perpetrator, and chronicity of abuse were significant in predicting out-of-home placement. CONCLUSIONS: An analysis of Korean child abuse cases reported to child protective service revealed that culture and child rearing practices shaped the patterns of child maltreatment. A culturally sensitive approach is strongly suggested for effective child abuse prevention and intervention services with this group by CPS agencies.  相似文献   
125.
126.
Successful peer mentoring in university settings is the result of relationships among students, mentors, and instructors. Findings from this study indicate that even in programs where training is ongoing and established, assumptions cannot be made about the understanding of the roles, risks, and benefits involved in such relationships. This study demonstrates that students, instructors, and mentors all have different perspectives about a mentor’s role and how that role should be enacted. Connecting link, peer leader, learning coach, student advocate, and trusted friend were identified as predominant roles enacted by mentors. Also described are risks and benefits for being or having a peer mentor.  相似文献   
127.
The objective of this paper is to report the development and use of an observation checklist to identify typically developing children with behavioural manifestations associated with inattention, hyperactivity and impulsivity. This measure is termed the Scope Classroom Observation Checklist (SCOC). The SCOC was developed, assessed for reliability using an independent observer and teacher ratings, and administered to a sample of 157 mainstream schoolchildren. The SCOC revealed a normal distribution of scores on the checklist, and the top and bottom quartiles of this distribution were found, as would be expected, to differ significantly on SCOC score. The SCOC had good inter‐observer reliability and a high rate of concordance with teacher ratings of attentional difficulties. The SCOC has emerged as a reliable measure that could prove to be a useful tool in a battery of screening measures to identify mainstream schoolchildren with difficulties characterised by inattention and hyperactivity‐impulsivity.  相似文献   
128.
How well do young people understand their developing sexuality and what this means? This paper reports on findings from the Our Lives: Culture, Context and Risk project, which investigated sexual behaviour and decision-making in the context of the everyday life experience and aspirations of Indigenous and non-Indigenous young people (16–25 years) in the Northern Territory, Western Australia and in South Australia. Using qualitative data, this paper focuses on what participating young people thought was necessary to improve the quality of sexuality education. Participants suggest that current forms of sexuality education are too clinical, didactic and unengaging, and are missing in relevant content. Young people requested more information on relationships, first sexual experiences and negotiating condom use. These requests indicate that young people realise that they need more knowledge in order to have healthy relationships, which conflicts with the popular belief that providing young people with open, honest information around sex will encourage them to have sex or increase sexual risk taking. Making sexuality education more of a priority and listening to the needs of young people could be a positive step towards improving sexual health and well-being.  相似文献   
129.
This study investigated teachers’ experiences of closeness during interactions with the group of children in child care. Structured interviews were conducted with 24 female teachers who were teaching children between the ages of three and five (mean age = 3.9) regarding their perceptions of closeness with the group of children in the class. Qualitative analyses of the interviews revealed a group solidarity domain of teacher–group relationships composed of three dimensions which comprise emotional solidarity, consensual solidarity, and functional solidarity, with emotional solidarity most dominant in the teachers’ perceptions. This group solidarity domain was interpreted as being consistent with qualities found in Grusec and Davidov’s group participation domain. The findings that, teachers’ closeness with the group of children in the class were dominated by the emotional dimension is similar to previous research results which report the predominance of personal and intimate interactions in relational closeness between teachers and individual children. Teachers described intentional strategies for managing close group relationships that made use of interactional histories between the teachers and children in the class. These discoveries provide a new perspective on teacher closeness with groups, an area of research not often investigated. It also provides insights into the importance teachers place on connecting emotionally with children when they are with the collective group in the classroom.  相似文献   
130.
Educating English language learners (ELLs) presents a challenge for teachers and policy makers; the population of ELLs increases, yet their achievement trails that of their native English-speaking peers. In November 2002, Massachusetts voters supported a law that mandated Sheltered English Immersion (SEI) as the primary means of instruction for ELLs, effectively ending transitional bilingual education. This report examines key considerations in educating ELLs, and in implementing SEI in Massachusetts schools. It also presents case studies of three schools making significant strides with ELLs through innovative programming built around SEI methods yet maintaining important bilingual education practices that promote educational equity. Cross-case analysis identified themes about strategic data use, staff recruitment, and supports for students and families.  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