全文获取类型
收费全文 | 1424篇 |
免费 | 35篇 |
国内免费 | 3篇 |
专业分类
教育 | 985篇 |
科学研究 | 63篇 |
各国文化 | 17篇 |
体育 | 150篇 |
综合类 | 1篇 |
文化理论 | 13篇 |
信息传播 | 233篇 |
出版年
2023年 | 7篇 |
2022年 | 8篇 |
2021年 | 14篇 |
2020年 | 36篇 |
2019年 | 55篇 |
2018年 | 68篇 |
2017年 | 84篇 |
2016年 | 66篇 |
2015年 | 48篇 |
2014年 | 57篇 |
2013年 | 356篇 |
2012年 | 41篇 |
2011年 | 46篇 |
2010年 | 32篇 |
2009年 | 43篇 |
2008年 | 46篇 |
2007年 | 34篇 |
2006年 | 43篇 |
2005年 | 40篇 |
2004年 | 34篇 |
2003年 | 37篇 |
2002年 | 20篇 |
2001年 | 16篇 |
2000年 | 19篇 |
1999年 | 15篇 |
1998年 | 12篇 |
1997年 | 10篇 |
1996年 | 12篇 |
1995年 | 9篇 |
1994年 | 8篇 |
1993年 | 10篇 |
1992年 | 12篇 |
1991年 | 7篇 |
1990年 | 9篇 |
1989年 | 5篇 |
1988年 | 7篇 |
1986年 | 5篇 |
1985年 | 6篇 |
1984年 | 6篇 |
1982年 | 5篇 |
1981年 | 3篇 |
1977年 | 6篇 |
1976年 | 3篇 |
1973年 | 6篇 |
1971年 | 4篇 |
1970年 | 3篇 |
1968年 | 3篇 |
1967年 | 3篇 |
1920年 | 3篇 |
1906年 | 3篇 |
排序方式: 共有1462条查询结果,搜索用时 265 毫秒
1.
Wilson C Simpson SE van Emmerik RE Hamill J 《Sports biomechanics / International Society of Biomechanics in Sports》2008,7(1):2-9
The aim of this study was to examine the influence of skill of expert triple jumpers on the coordination variability of lower extremity intra-limb couplings. In contrast to the traditional motor learning perspective, we hypothesized that as skill and thus performance increases, movement coordination variability will also increase. Three-dimensional kinematic and ground reaction force data were collected during the hop-step transition phase of the triple jump. Relative motion plots and a modified vector coding technique were used to quantify the coordination variability across the trials. The results were consistent with a U-shaped curve, representing coordination variability, as skill increases. The high coordination variability in less skilled athletes is present while the appropriate characteristics defining the movement coordination patterns are acquired. This coordination variability may not be beneficial to performance. As the refinement of these characteristics is achieved, coordination variability decreases, resulting in a more consistent or regulated performance. In the final stages of developing a skilled performance, a functional variability is accessed that brings flexibility to the system allowing it to cope with perturbations. This study highlights the need to address the learning effect when analysing coordination variability from a dynamical systems perspective. 相似文献
2.
Nicole S. Ofiesh Charles Hughes Sally S. Scott 《Learning disabilities research & practice》2004,19(1):57-70
The most frequently requested accommodation among students with learning disabilities (LD) in postsecondary settings is extended test time. The frequency with which this accommodation is requested and granted compels disability service providers to become knowledgeable about the factors that influence the need for, and appropriateness of, the accommodation. Moreover, the synthesis of these factors becomes the basis for determining if the accommodation is reasonable under federal law. The purpose of this article is to present a step‐by‐step model to be used as a decision‐making process when considering the accommodation of extended test time for postsecondary students with LD. The model is designed to assist disability service providers in the analysis and synthesis of information collected from (1) the student's diagnostic evaluation, (2) the course or classroom test to be accommodated, and (3) student interviews. A list of diagnostic tests from the four most frequently administered test batteries used with adults is provided, along with a concise explanation of how characteristics of LD impact reading, writing, and math, and relate to the need for extended time. This information can be used to determine if extended test time is a reasonable accommodation and to estimate how much additional time to provide. 相似文献
3.
4.
Gilbert SF 《CBE life sciences education》2008,7(1):12-13
Note from the Editor 相似文献
5.
6.
Scott A. Mitchell 《传播与批判/文化研究》2018,15(3):197-212
This article introduces emergent memory, a conceptual extension to rhetorics of public memory, to describe memory’s genesis in sites built without commemorative commitments. Examining Detroit’s “8 Mile Wall,” a site built to reinforce segregated housing, this project argues the rhetorical tenets of emergent memory present in this space. As a relic of segregated history, the wall symbolically recalls the city’s controversial past, but has recently been the subject of a local mural project to redefine the wall’s purpose. Some consider this a step toward reclamation, as it visually repositions the disturbing remnant. For others, the murals simply cannot overwrite troubling memories of the city’s discriminatory history. This essay uses emergent memory to describe how the wall’s complicated mnemonic legacy simultaneously harkens to a difficult history and how the mural additions use that same legacy to convey an optimistic future for Detroit and those marked by this urban space. 相似文献
7.
8.
Understanding factors that motivate young athletes to continue participation in sport can help key stakeholders cultivate an environment that fosters long-term participation. This investigation sought to determine the performance and participation factors that influenced continued participation in junior cricket. Administration-level data were collected each annual season across a seven-year period by a community-level junior cricket association in Australia and analysed to identify the performance and participation-based predictors of player retention. All players were males aged <16 years. Players were categorised according to whether they remained in (or departed from) the association at the end of each playing season. A multivariate logistic regression model with a stepwise variable selection was employed to identify significant independent predictors of player retention. The number of innings batted and overs bowled were significant participation-related contributors to junior cricket player retention. Performance factors such as the number of wickets taken and the number of runs scored also significantly influenced player retention. Finally, team age group, the number of previous seasons played and age were also significant factors in player retention. This demonstrates that sufficient opportunity for children to participate in the game and expression of skills competence are key factors for retention in cricket. 相似文献
9.
10.
Rachel E. Scott 《The Reference Librarian》2017,58(1):1-18
There remains significant confusion surrounding the purpose, audience, and proposed application of the Framework for Information Literacy for Higher Education. This exploratory study addresses the question of whether undergraduate students can understand the language and concepts in this document. By presenting student responses to pretest questions recorded at the beginning of a semester-long research methods course, this article shows that students can, even on first impression, begin to make sense of the complexity and richness found in the Framework for Information Literacy for Higher Education. 相似文献