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   161篇
  免费   3篇
教育   140篇
科学研究   1篇
各国文化   1篇
体育   6篇
信息传播   16篇
  2024年   1篇
  2023年   1篇
  2022年   1篇
  2021年   2篇
  2020年   7篇
  2019年   10篇
  2018年   10篇
  2017年   9篇
  2016年   16篇
  2015年   14篇
  2014年   5篇
  2013年   38篇
  2012年   3篇
  2011年   4篇
  2010年   5篇
  2009年   2篇
  2008年   3篇
  2007年   6篇
  2006年   3篇
  2005年   2篇
  2004年   1篇
  2003年   2篇
  2002年   2篇
  2001年   2篇
  2000年   2篇
  1999年   2篇
  1997年   2篇
  1996年   2篇
  1995年   3篇
  1992年   1篇
  1990年   1篇
  1982年   1篇
  1977年   1篇
排序方式: 共有164条查询结果,搜索用时 15 毫秒
11.
Readarama was established for a community retirement center in Athens, Georgia. The sessions, held 1 hour weekly for 12 weeks, were attended by healthy and active elderly women whose ages ranged from 59 to 75. The participants were lifelong readers who enjoyed reading as a hobby and Readarama as a social outlet. The participants were representative of the entire adult population, not a subgroup to be labeled the elderly. Readarama points out the value of the reading group as an outlet for an already‐established hobby and as a means of forming social contacts for the retiree.  相似文献   
12.
To study oxidative stress in systemic lupus erythematosus (SLE) by estimating serum oxidised LDL (OxLDL), 8-hydroxy-2′-deoxyguanosine (8-OHdG), malondialdehyde (MDA), and total anti-oxidant status and to correlate with SLE disease activity and disease damage. Eighty SLE patients satisfying the Systemic Lupus International Collaborating Clinics/American College of Rheumatology (SLICC/ACR) 2012 criteria and 80 healthy controls were studied. Exclusion criteria were infections, renal insufficiency, other connective tissue diseases, drug-induced lupus, smoking, alcohol consumption. Disease activity was measured by SLE disease activity index-2 K (SLEDAI), disease damage was quantified by SLICC-Damage Index (SDI). Sera was tested for OxLDL, 8-OHdG, and total antioxidant status (TAS) by double-antibody sandwich ELISA; MDA measured by Colorimetric assay. Oxidative stress markers were compared between group1- controls, group 2-mildly active SLE (SLEDAI ≤ 5), group 3- moderate to highly active SLE (SLEDAI ≥ 6). SLE patients had significantly higher MDA, 8-OHdG and lower TAS when compared to healthy controls, while OxLDL was similar in the three groups. MDA, 8-OHdG were significantly higher, TAS lower in group 3 compared to group 2. MDA had positive correlation with SLEDAI, TAS negatively correlated with SLEDAI. SLE with neuropsychiatric manifestations, vasculitis, anti-sdDNA antibodies had higher MDA, MDA/TAS ratio. SLE patients with thrombocytopenia, and vasculitis had higher OxLDL. Only OxLDL was significantly higher in those patients who have SDI > 1. SLE patients have increased oxidative stress measured by increases in MDA, 8-OHdG, and lower total antioxidant status that was associated with disease activity and some disease manifestations. However only OxLDL was associated with damage.  相似文献   
13.
The objective of this study was to describe prevalent informal sources of information about sex and examine associations between informal sources of information about sex and sexual risk outcomes among sexually experienced adolescents. Work involved the secondary analysis of data from the Minnesota Student Survey, a statewide survey to monitor priority risk and protective health behaviors. The study sample included 22,828 sexually experienced adolescents aged 13–20 years. Multivariate logistic regression analyses examined associations between adolescents' informal sources of information about sex and three sexual risk outcomes. Peers and siblings were the most commonly reported source of information about sex. Ninth-graders who reported parents or parents plus peers/siblings as a source of information about sex had significantly lower odds of having multiple sex partners in the past year. Ninth-graders who reported any informal source of information about sex had significantly lower odds of unprotected intercourse at last sex. Ninth-graders and 12th-graders who reported any informal source of information about sex had significantly lower odds of lifetime pregnancy involvement. Findings suggest information about sex from people in adolescents' everyday lives has the potential to diminish the likelihood of involvement in sexual risk behaviors. To maximize effectiveness, formal sex education programs should engage informal sources of information about sex in adolescents' everyday lives.  相似文献   
14.
ABSTRACT

Blue Ridge Community College in Flat Rock, North Carolina serves a rapidly growing Hispanic population through its Family-Centered Literacy Program. The Hispanic population in the region has been increasing at a staggering rate of 50% per year, most of which is in-migration. These newcomers frequently face challenges adjusting to their jobs, schools, and living environment. The Family-Centered Literacy Program is teaching new skills to new residents to minimize the “culture shock”, and to make community immersion a less difficult process. The program offers evening classes 2 nights a week for parents and their children. Parents attend classes in basic and conversational English and General Education Development (GED) preparation; school-age children receive tutoring and help with homework; and preschool children learn from fluency-building games and activities. The college also provides Spanish instruction for school personnel who want to better communicate with Hispanic students and their parents. The program currently operates in 5 elementary schools. Each school has taken on the role of “community center” for Hispanic families.  相似文献   
15.
Research Findings: This article reports on two studies. Study 1 considered ways in which Head Start teachers' (n = 90) psychosocial stressors are related to teachers' ability to maintain a positive classroom emotional climate and effective behavior management in preschool classrooms. Study 2 tested the hypothesis that among teachers randomly assigned to a treatment condition (n = 48), psychosocial stressors serve as important predictors of their use of an intervention designed to improve classroom emotional climate and behavior management. Practice or Policy: Findings from Study 1 were mixed; notably, teachers' personal stressors were moderately predictive of lower use of effective strategies of behavior management in the classroom. Findings from Study 2 suggest that psychosocial stressors are not a barrier to teachers' use of intervention services. Contrary to our expectations, teachers reporting more stressors attended more training sessions than did teachers reporting fewer stressors. Teachers reporting higher levels of stress availed themselves of less support from mental health consultants during classroom consultation visits offered to treatment group classrooms as part of the intervention.  相似文献   
16.
17.
Abstract

At the University of Oklahoma, we began campus or home delivery of items from our library as well as those from other libraries. We have added more services over the years in response to requests from our users. In doing so, we found room for improvements. This paper addresses some of the issues we encountered.  相似文献   
18.
19.
A meta-analysis covering the literature between 1970 and 1991 was conducted using an approach similar to that suggested by Glass, McGaw, and Smith (1981) and Hedges, Shymansky, and Woodworth (1989). This analysis examined gender differences in student attitudes toward science, and correlations between attitudes toward science and achievement in science. Thirty-one effect sizes and seven correlations representing the testing of 6,753 subjects were found in 18 studies. The mean of the unweighted effect sizes was .20 (SD = .50) and the mean of the weighted effect size was .16 (SD = .50), indicating that boys have more positive attitudes toward science than girls. The mean correlation between attitude and achievement was .50 for boys and .55 for girls, suggesting that the correlations are comparable. Results of the analysis of gender differences in attitude as a function of science type indicate that boys show a more positive attitude toward science than girls in all types of science. The correlation between attitude and achievement for boys and girls as a function of science type indicates that for biology and physics the correlation is positive for both, but stronger for girls than for boys. Gender differences and correlations between attitude and achievement by gender as a function of publication date show no pattern. The results for the analysis of gender differences as a function of the selectivity of the sample indicate that general level students reflect a greater positive attitude for boys, whereas the high-performance students indicate a greater positive attitude for girls. The correlation between attitude and achievement as a function of selectivity indicates that in all cases a positive attitude results in higher achievement. This is particularly true for low-performance girls. The implications of these finding are discussed and further research suggested.  相似文献   
20.
This paper describes an assessment of a web‐based interview simulation designed to teach empathetic helping skills. The system includes an animated character acting as a client and responses designed to recreate a simulated role‐play, a common assessment method used for teaching these skills. The purpose of this study was to determine whether learning gains found in previous evaluations would transfer to students needing similar skill sets but in different areas of study. Findings indicate a positive trend in learning gains across both areas of study (human services and counselling) with no significant differences in skill acquisition. Developers of the system conclude that the system is effective in the general training of empathetic helping skills regardless of the students' area of study.  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