全文获取类型
收费全文 | 2331篇 |
免费 | 52篇 |
专业分类
教育 | 1905篇 |
科学研究 | 47篇 |
各国文化 | 34篇 |
体育 | 71篇 |
综合类 | 1篇 |
文化理论 | 9篇 |
信息传播 | 316篇 |
出版年
2023年 | 14篇 |
2022年 | 22篇 |
2021年 | 38篇 |
2020年 | 69篇 |
2019年 | 86篇 |
2018年 | 122篇 |
2017年 | 125篇 |
2016年 | 113篇 |
2015年 | 69篇 |
2014年 | 99篇 |
2013年 | 553篇 |
2012年 | 69篇 |
2011年 | 61篇 |
2010年 | 56篇 |
2009年 | 62篇 |
2008年 | 64篇 |
2007年 | 58篇 |
2006年 | 69篇 |
2005年 | 58篇 |
2004年 | 62篇 |
2003年 | 26篇 |
2002年 | 37篇 |
2001年 | 26篇 |
2000年 | 18篇 |
1999年 | 32篇 |
1998年 | 25篇 |
1997年 | 25篇 |
1996年 | 39篇 |
1995年 | 20篇 |
1994年 | 27篇 |
1993年 | 17篇 |
1992年 | 15篇 |
1991年 | 12篇 |
1990年 | 16篇 |
1989年 | 8篇 |
1988年 | 8篇 |
1987年 | 14篇 |
1986年 | 11篇 |
1985年 | 16篇 |
1984年 | 11篇 |
1983年 | 7篇 |
1982年 | 12篇 |
1981年 | 7篇 |
1979年 | 15篇 |
1978年 | 5篇 |
1977年 | 12篇 |
1976年 | 6篇 |
1975年 | 7篇 |
1974年 | 6篇 |
1973年 | 5篇 |
排序方式: 共有2383条查询结果,搜索用时 46 毫秒
131.
Tomas A. Lipinski Elizabeth A. Buchanan Johannes J. Britz 《Ethics and Information Technology》2002,4(2):143-158
This article explores recent developments inthe regulation of Internet speech, inparticular, injurious or defamatory speech andthe impact the attempts at regulation arehaving on the `body' in the sense of theindividual person who speaks through the mediumof the Internet and upon those harmed by thatspeech. The article proceeds in threesections. First, a brief history of the legalattempts to regulate defamatory Internet speechin the United States is presented; a shortcomparative discussion of defamation law in theUK and Australia is included. As discussedbelow, this regulation has altered thetraditional legal paradigm of responsibilityand, as a result, creates potential problems forthe future of unrestricted and even anonymousspeech on the Internet. Second, an ethicalassessment is made of the defamatory speechenvironment in order to determine which actorshave moral responsibility for the harm causedby defamatory speech. This moral assessment iscompared to the developing and anticipatedlegal paradigm to identify possible conformityof moral and legal tenants or to recognize theconflict between morality and law in assigningresponsibility to defamatory actors. Thisassessment then concludes with possiblesuggestions for changes in the legal climategoverning the regulation of defamatory speechon the Internet, as well as prediction of theresult should the legal climate continue todevelop on its present course. This is not tosuggest that all law, or even the law ofdefamation, be structured to reflect thesubjectivity of a moral construct, but since itis the authors position that the legalassignment of liability in online settings ismisaligned, this reflection can serve asbeginning reassessment of that assignment. 相似文献
132.
A diverse sample of doctoral students completed an on-line questionnaire assessing their supervisors' academic, personal and autonomy support and their research self-efficacy. The more task-related help and personal support students received, the more positively they evaluated their supervision. The degree to which supervisors encouraged students to think and act autonomously (autonomy support) was not uniquely associated with students' supervision satisfaction but predicted greater research self-efficacy. A combination of high levels of autonomy and academic support was associated with the highest levels of research self-efficacy, whereas when greater levels of personal support were accompanied by low levels of autonomy support, students reported lower research self-efficacy. These results indicate that effective doctoral supervision involves supporting students to voice and act on their own ideas while simultaneously providing guidance on how to complete research tasks. 相似文献
133.
Elizabeth Murphy María A. Rodríguez‐Manzanares Michael Barbour 《British journal of educational technology : journal of the Council for Educational Technology》2011,42(4):583-591
This paper presents the results of an inductive, interpretive analysis of the perspectives of 42 Canadian high school distance education (DE) teachers on asynchronous and synchronous online teaching. The paper includes a conceptual overview of the affordances and constraints of each form of teaching. Findings provided insight into the following aspects of asynchronous and synchronous online teaching: degree of use; the tools used; the contexts in which each occur; students' preferences; and limitations. Pedagogy emerged as more important than media for both asynchronous and synchronous online teaching. Synchronous online teaching relied on teacher‐ rather than student‐centred approaches. Asynchronous online teaching provided support for self‐paced, highly independent forms of secondary DE supplemented by synchronous online teaching for answering questions and troubleshooting. 相似文献
134.
The purpose of this study was to investigate the effect of impaired reading skills and visual discomfort on the reading rate and comprehension of university students when reading texts presented at a high school (Grade 9) or university (Grade 12) level of difficulty. Groups included impaired readers (n=18) and normal readers with (n=13) or without visual discomfort (n=19). Regardless of text difficulty the impaired reader group had a significantly slower reading rate and poorer comprehension than the normal reader control group. However, when reading rate and comprehension were compared at the assessed reading level of each group, no group differences were found. The normal reading visual discomfort group had poorer reading comprehension than other normal readers with presentation of university‐level text only. It was concluded that poor word decoding skills may exacerbate comprehension difficulties in impaired readers. In contrast, the comprehension difficulties found for normal readers with visual discomfort occurred because of the somatic and perceptual difficulties induced with exposure to the repetitive striped patterns found on text pages. The types of strategy needed to increase the reading efficiency and produce greater academic success in university students with impaired reader skills or visual discomfort are discussed. 相似文献
135.
136.
Kathryn Elizabeth Linder 《Discourse: Studies in the Cultural Politics of Education》2011,32(3):443-456
Through an application of Foucauldian theories of power and neoliberalism, this article employs an ascending analysis to identify an embedded neoliberal agenda within the documentary 2 Million Minutes. The author argues that this neoliberal agenda serves to support and maintain notions of international white supremacy as it assumes relationships between whiteness and success, American identity and privilege, and through its definition of the global economy as one in which all students can equally take part. By articulating how the film engages in techniques of biopower through a comparative portrayal of high school students from India, China, and the United States, the author argues that representations of education ‘realities’ should be examined and questioned in order to locate powerful and hidden hegemonies. 相似文献
137.
Are You Satisfied? PhD Education and Faculty Taste for Prestige: Limits of the Prestige Value System
Emory Morrison Elizabeth Rudd Joseph Picciano Maresi Nerad 《Research in higher education》2011,52(1):24-46
This paper empirically evaluates Caplow and McGee??s (The academic marketplace, 1958) model of academia as a prestige value system (PVS) by testing several hypotheses about the relationship between prestige of faculty appointment and job satisfaction. Using logistic regression models to predict satisfaction with several job domains in a sample of more than 1,000 recent social science PhD graduates who hold tenure-track or tenured faculty positions, we find that the relationship between prestige of faculty appointment and job satisfaction is modified by PhD program prestige. Graduates of high prestige PhD programs value prestige more highly and graduates of low prestige programs value salary more highly. We explain our findings by incorporating reference group theory and a theory of taste formation into our model of the academic PVS, which identifies PhD programs as sites of socialization to different tastes for prestige (a process of cultural transmission) in addition to their well recognized role in transmission of human and social capital. We discuss practical and theoretical implications of our findings in relation to efforts to measure PhD program quality and to understand the structure of academic labor markets. 相似文献
138.
Gender differences in academic performance and achievement have been of policy concern for decades—both interest in lower performance by girls in the areas of mathematics and science and, more recently, in boys' underperformance in most other academic areas. Much previous research has focused on gender gaps, while overlooking other factors that may play a role, such as ethnicity. This study looks at the gender differences in cognitive assessments at age five across ethnic groups in a sample of English children from the Millennium Cohort Study. While girls generally perform better than boys, general trends mask some differences across ethnic groups. Results show gender gaps at the mean are largest for black and Pakistani and Bangladeshi children and smallest for white children, they are also larger for the teacher‐rated assessments than for the survey‐administered tests. 相似文献
139.
Yu Zhang Min Wang Florian Gottwalt Morteza Saberi Elizabeth Chang 《Journal of Informetrics》2019,13(2):616-634
As the volume of scientific articles has grown rapidly over the last decades, evaluating their impact becomes critical for tracing valuable and significant research output. Many studies have proposed various ranking methods to estimate the prestige of academic papers using bibliometric methods. However, the weight of the links in bibliometric networks has been rarely considered for article ranking in existing literature. Such incomplete investigation in bibliometric methods could lead to biased ranking results. Therefore, a novel scientific article ranking algorithm, W-Rank, is introduced in this study proposing a weighting scheme. The scheme assigns weight to the links of citation network and authorship network by measuring citation relevance and author contribution. Combining the weighted bibliometric networks and a propagation algorithm, W-Rank is able to obtain article ranking results that are more reasonable than existing PageRank-based methods. Experiments are conducted on both arXiv hep-th and Microsoft Academic Graph datasets to verify the W-Rank and compare it with three renowned article ranking algorithms. Experimental results prove that the proposed weighting scheme assists the W-Rank in obtaining ranking results of higher accuracy and, in certain perspectives, outperforming the other algorithms. 相似文献
140.