全文获取类型
收费全文 | 3648篇 |
免费 | 376篇 |
专业分类
教育 | 3491篇 |
科学研究 | 17篇 |
各国文化 | 99篇 |
体育 | 96篇 |
文化理论 | 8篇 |
信息传播 | 313篇 |
出版年
2023年 | 5篇 |
2022年 | 6篇 |
2021年 | 38篇 |
2020年 | 68篇 |
2019年 | 136篇 |
2018年 | 144篇 |
2017年 | 182篇 |
2016年 | 132篇 |
2015年 | 174篇 |
2014年 | 194篇 |
2013年 | 1150篇 |
2012年 | 145篇 |
2011年 | 160篇 |
2010年 | 178篇 |
2009年 | 142篇 |
2008年 | 155篇 |
2007年 | 122篇 |
2006年 | 94篇 |
2005年 | 90篇 |
2004年 | 80篇 |
2003年 | 40篇 |
2002年 | 38篇 |
2001年 | 41篇 |
2000年 | 45篇 |
1999年 | 42篇 |
1998年 | 25篇 |
1997年 | 25篇 |
1996年 | 32篇 |
1995年 | 36篇 |
1994年 | 22篇 |
1993年 | 21篇 |
1992年 | 24篇 |
1991年 | 26篇 |
1990年 | 32篇 |
1989年 | 17篇 |
1988年 | 15篇 |
1987年 | 21篇 |
1986年 | 10篇 |
1985年 | 20篇 |
1984年 | 15篇 |
1983年 | 11篇 |
1982年 | 12篇 |
1981年 | 6篇 |
1979年 | 4篇 |
1978年 | 7篇 |
1977年 | 5篇 |
1976年 | 4篇 |
1975年 | 4篇 |
1974年 | 5篇 |
1969年 | 8篇 |
排序方式: 共有4024条查询结果,搜索用时 0 毫秒
161.
Two groups of gifted adolescents solved two similar intelligence tests with differing levels of task difficulty in reverse order. Under both conditions the performance level on the less complex test was much lower, a result not observed in a control group of average intelligence. Behavioural observations revealed that the low performance of the gifted students was combined with lack of effort. This performance pattern is discussed with respect to recent postulates of achievement motivation theory, which empasize the impact not only of the achievement motive, but also of the informational value of a given task for evaluating own level of ability. It is argued that the perceived informational value of the easier test was not high enough to create an incentive for the gifted students to perform at the highest possible level 相似文献
162.
Tove Faber Frandsen Christina Louise Lindhardt Mette Brandt Eriksen 《Journal of the Medical Library Association》2021,109(3):388
Objective:A growing volume of studies address methods for performing systematic reviews of qualitative studies. One such methodological aspect is the conceptual framework used to structure the review question and plan the search strategy for locating relevant studies. The purpose of this case study was to evaluate the retrieval potential of each element of conceptual frameworks in qualitative systematic reviews in the health sciences.Methods:The presence of elements from conceptual frameworks in publication titles, abstracts, and controlled vocabulary in CINAHL and PubMed was analyzed using a set of qualitative reviews and their included studies as a gold standard. Using a sample of 101 publications, we determined whether particular publications could be retrieved if a specific element from the conceptual framework was used in the search strategy.Results:We found that the relative recall of conceptual framework elements varied considerably, with higher recall for patient/population (99%) and research type (97%) and lower recall for intervention/phenomenon of interest (74%), outcome (79%), and context (61%).Conclusion:The use of patient/population and research type elements had high relative recall for qualitative studies. However, other elements should be used with great care due to lower relative recall. 相似文献
163.
164.
165.
166.
John Dixon 《English in Education》1991,25(3):10-17
John Dixon's Growth Through English was a seminal text in the development of NATE and a major influence on a whole generation of teachers. In his new book A Schooling in English2 , to be published later this year, he traces some of the historical developments which led up to that point, a series of ideological and institutional struggles that are still continuing. We are pleased to publish here a brief synopsis, written for the UEA Language and Literacy Convention in April, together with a review of the book itself. 相似文献
167.
168.
Peter Richardson Anthony Watkinson Louise Watts Christine Reid Chris Shelley Nigel Lees Andrea Powell Martin Richardson Anthony Watkinson Anthony Watkinson Sophie Leighton Andrea Powell 《Learned Publishing》2003,16(3):226-238
Serial Publications: Guidelines for Good Practice in Publishing Printed and Electronic Journals, 2nd edition, by Diane Brown, Elaine Stott and Anthony Watkinson Association of Learned and Professional Society Publishers 2003, £27 (members), £30 (non‐members), 108 pp., paperback. ISBN 0‐907341‐22‐5. Available from http://www.alpsp.org/pub3.htm The Case for Institutional Repositories: A SPARC Position Paper prepared by Raym Crow, SPARC Senior Consultant Scholarly Publishing and Academic Resources Coalition, Washington DC. Release 1.0, 2002. Available at: www.arl.org/sparc The Case for Institutional Repositories: A SPARC Position Paper prepared by Raym Crow, SPARC Senior Consultant Scholarly Publishing and Academic Resources Coalition, Washington, DC. Release 1.0, 2002. Available at: www.arl.org/sparc Internet Law: Text and Materials by Chris Reed Butterworths Tolley, 2000, £24.95, paperback. ISBN 0406981418 Intellectual Property Law by Lionel Bently and Brad Sherman Oxford University Press, Oxford, 2001, £32.99 (paperback), 1136 pp. ISBN 0‐19‐876343‐3 Clearing the Way: Copyright Clearance in UK Libraries by Elizabeth Gadd LISU Occasional Paper no. 31, Library & Information Statistics Unit (LISU), Department of Information Science, Loughborough University. ISBN 1 901786 51 X Electronic Journals and User Behaviour: Learning for the Future from the SuperJournal Project by David Pullinger and Christine Baldwin Deedot Press, 2002, £14.95. ISBN 0‐954‐2924‐0‐5 Electronic Ecology: A Case Study of Electronic Journals in Context by Karla L. Hahn Association of Research Libraries, 79 pp., 2001, $45. ISBN 0‐918006‐46‐1 The Transition from Paper: Where Are We Going and How Will We Get There edited by R. Stephen Berry and Anne Simon Moffat American Academy of Arts and Sciences, published online (2001): www.amacad.org/publications/trans.htm The Transition from Paper: Where Are We Going and How Will We Get There edited by R. Stephen Berry and Anne Simon Moffat American Academy of Arts and Sciences, published online (2001): www.amacad.org/publications/trans.htm E‐Serials, Publishers, Libraries, Users and Standards, 2nd edn, edited by Wayne Jones The Haworth Press Inc., 2003, 294 pp. paperback ISBN 0789012294 相似文献
169.
Peggy McCardle Joan Mele‐McCarthy Kathleen Leos 《Learning disabilities research & practice》2005,20(1):68-78
Although little is known about learning disabilities (LDs) in English language learners (ELLs), there is a substantial knowledge base about the identification, assessment, and intervention of and for LDs in monolingual native English‐speaking students. Building on this knowledge, participants at an October 2003 National Symposium on Learning Disabilities in English Language Learners were asked to suggest research questions, priorities, and suggestions on how to build the necessary infrastructure to address critical research needs. In the discussions that took place, important themes emerged: (1) identification and assessment of LD and/or reading disabilities (RD) in ELLs (ELL/Ds), (2) understanding of the language and literacy developmental trajectories of ELLs, (3) understanding of the individual and contextual factors affecting outcomes, (4) the intersection of all of these areas with neurobiology, and (5) developing and testing the effectiveness of interventions for learning disabilities in ELL/Ds. These themes, and the research agenda that was forged around them, are presented. In addition, the practice implications of this agenda are presented, along with some suggestions for current practice while we await future research findings. 相似文献
170.
MARILYN ESPE‐SHERWINDT 《Support for Learning》2008,23(3):136-143
In the 1990s, the developing field of early intervention with young children with disabilities and their families adopted family‐centred practice as its philosophical foundation. Family‐centred practice includes three key elements: (1) an emphasis on strengths, not deficits; (2) promoting family choice and control over desired resources; and (3) the development of a collaborative relationship between parents and professionals. During the last two decades, the field of early childhood disability has successfully defined the working principles of family‐centred practice for practitioners. Although research has acknowledged that the paradigm shift to family‐centred practice is neither simple nor easy, a substantive body of evidence demonstrates that (a) family‐centred practice can be linked to a wide range of demonstrated benefits for both children and families, and (b) families are more satisfied and find family‐centred practice to be more helpful than other models of practice. 相似文献