全文获取类型
收费全文 | 1573篇 |
免费 | 51篇 |
国内免费 | 1篇 |
专业分类
教育 | 1211篇 |
科学研究 | 45篇 |
各国文化 | 28篇 |
体育 | 110篇 |
综合类 | 1篇 |
文化理论 | 14篇 |
信息传播 | 216篇 |
出版年
2024年 | 3篇 |
2023年 | 14篇 |
2022年 | 26篇 |
2021年 | 41篇 |
2020年 | 61篇 |
2019年 | 100篇 |
2018年 | 111篇 |
2017年 | 116篇 |
2016年 | 87篇 |
2015年 | 71篇 |
2014年 | 65篇 |
2013年 | 349篇 |
2012年 | 53篇 |
2011年 | 50篇 |
2010年 | 55篇 |
2009年 | 38篇 |
2008年 | 55篇 |
2007年 | 33篇 |
2006年 | 37篇 |
2005年 | 34篇 |
2004年 | 28篇 |
2003年 | 21篇 |
2002年 | 19篇 |
2001年 | 13篇 |
2000年 | 16篇 |
1999年 | 7篇 |
1998年 | 13篇 |
1997年 | 12篇 |
1996年 | 7篇 |
1995年 | 8篇 |
1994年 | 10篇 |
1993年 | 6篇 |
1992年 | 5篇 |
1991年 | 6篇 |
1990年 | 4篇 |
1989年 | 2篇 |
1988年 | 2篇 |
1987年 | 4篇 |
1986年 | 6篇 |
1985年 | 5篇 |
1984年 | 9篇 |
1983年 | 6篇 |
1982年 | 4篇 |
1981年 | 2篇 |
1979年 | 2篇 |
1978年 | 2篇 |
1973年 | 1篇 |
1970年 | 1篇 |
1943年 | 1篇 |
1942年 | 1篇 |
排序方式: 共有1625条查询结果,搜索用时 0 毫秒
951.
The price of a service or product is the actual amount paid by the consumer and reflects the cost of manufacture, distribution, and marketing, as well as the profit for each business involved. Unlike soap, child care services are usually priced below their real costs. How can providers do this and still serve their consumers? 相似文献
952.
Jacob L. Williams Jeremy Miciak Laura McFarland Jade Wexler 《Learning disabilities research & practice》2016,31(4):221-229
This review documents the learning disabilities (LD) identification criteria and procedures utilized in empirical research including students with LD published from 2001 to 2013 in three journals dedicated to the study of LD. Results reveal several troublesome findings related to transparency in reporting and the coherence of the LD construct. Nearly one‐third of all empirical studies investigating LD did not describe who identified the participants as having LD or how they were identified. Information on the specific area of LD was similarly lacking. Across studies, identification criteria varied widely. Moving forward, we contend that greater transparency and consistency with regard to the definition and operationalization of the construct of LD in empirical research is necessary if solidification of the scientific construct of LD is to be achieved. 相似文献
953.
Kim Viel‐Ruma David E. Houchins Kristine Jolivette Laura D. Fredrick Robert Gama 《Learning disabilities research & practice》2010,25(2):97-108
Students with disabilities often struggle with writing tasks. In order to improve the written expression performance of high school students with deficits in written expression, a Direct Instruction writing program was implemented. The participants were six high school students in programs for individuals with learning disabilities. Three of the six students were served in programs for students who are English Language Learners. Using a multiple‐probe across‐participants design, the effect of the writing program was examined. The intervention was implemented over a 5‐week period with maintenance checks conducted 2 and 4 weeks after the termination of instruction. Results were variable, but there appeared to be a positive trend in student writing performance as measured by correct word sequence, length of text, and the TOWL‐3. Implications for practice and future directions are also provided. 相似文献
954.
The reading skills of a girl with Williams Syndrome are assessed by a timed word-naming task. To test the efficiency of lexical and nonlexical reading, we considered four marker effects: Lexicality (better reading of words than nonwords), frequency (better reading of high than low frequency words), length (better reading of short than long words), and contextuality (better reading of words with one-to-one grapheme-to-phoneme mapping than words with context-sensitive graphemes). Results suggested that this girl has failed to develop efficient orthography-to-phonology mappings and is dependent upon a lexical-semantic reading procedure in which a word’s pronunciation is activated after its meaning is obtained. 相似文献
955.
Using content and archival analysis as a mixed method research design, this study addresses the broad issue of self-regulation since this subject area first appeared in the developmental psychology journals, addressing the question of whether each historical period had its own particular perspective on self-regulation, or was there, in fact, a progressive development? This research also explored the historical basis of current perspectives in order to provide background and continuity for present theories and the discussion of implications for families, professionals, and communities in supporting the development of self-regulation in infants and children. 相似文献
956.
957.
Gillian King Beata Batorowicz Patty Rigby Margot McMain-Klein Laura Thompson Madhu Pinto 《International Journal of Disability, Development & Education》2014,61(1):44-66
There is a need for psychometrically sound measures of youth experiences of community/home leisure activity settings. The 22-item Self-Reported Experiences of Activity Settings (SEAS) captures the following experiences of youth with a Grade 3 level of language comprehension or more: Personal Growth, Psychological Engagement, Social Belonging, Meaningful Interactions, and Choice & Control. Forty-five youth aged 14–23 years (10 with severe disabilities) completed the SEAS in 160 leisure activity settings. The SEAS has good to excellent internal consistency (Cronbach’s alpha from 0.71 to 0.88) and moderate test–retest reliability (mean scale intra-class correlation coefficient = 0.68), as expected due to changes in activity settings over time. The SEAS was able to differentiate various types of activity settings and participation partners. The SEAS can be used to gain greater understanding of situation-specific experiences of youth participating in various types of recreation and leisure activity settings, including youth with different types of disabilities and those without disabilities. 相似文献
958.
Employing aspects of Tinto's (1975, 1987) theoretical framework, the purpose of this study was to test a model of student transfer behaviors and attitudes with a community college student population. More specifically, this study examined the structural relationships among five constructs: (1) student background factors, (2) initial commitments, (3) social integration, (4) academic integration, and (5) predisposition to transfer. Student background factors were examined to determine their direct and indirect effects on community college students' initial commitments, social integration, and academic integration on three multiple indicators of the dependent variable, predisposition to transfer: (1) number of four-year institutions students planned to apply for transfer, (2) transfer behavior, and (3) transfer perceptions. The study supported utilization of factors identified in the retention literature that are based on Tinto's model to examine transfer attitudes and behaviors among community college students. Students with high levels of social and academic integration tended to have high levels of predisposition to transfer. Ethnic background was found to have no relationship to predisposition to transfer. 相似文献
959.
AbstractIn policy contexts, social exclusion can be experienced through the systematic marginalization of groups by inhibiting their ability to access resources and support. In this article, we consider the context of community sport development in rural Canada to discuss the implications of rationalized policy systems for rural citizens. We discuss instances where engagement with the sport system was constrained as well as the way that rural people responded in order to continue engagement in sport both within and outside of policy frameworks. A more inclusive sport policy system requires the acknowledgement of diverse social outcomes which may be realized through sport. But, in order for this to take place, policy makers and practitioners must acknowledge that these outcomes can exist outside of athlete development and must re-consider the ways that resources and support can be allocated. 相似文献
960.
Emil List Larsen Henrik Enghusen Poulsen Cristina Michaelsen Laura Kofoed Kjær Mark Lyngbæk Emilie Skytte Andersen 《Journal of sports sciences》2020,38(18):2080-2091
ABSTRACT
Acute and adaptive changes in systemic markers of oxidatively generated nucleic acid modifications (i.e., 8-oxo-7,8-dihydro-2?-deoxyguanosine (8-oxodG) and 8-oxo-7,8-dihydroguanosine (8-oxoGuo)) as well as inflammatory cytokines (i.e., C-reactive protein, interleukin-6, interleukin-10, and tumour necrosis factor alpha), a liver hormone (i.e., fibroblast growth factor 21 (FGF21)), and bone metabolism markers (sclerostin, osteocalcin, C-terminal telopeptide, and N-terminal propeptide of type 1 procollagen) were investigated following a marathon in 20 study participants. Immediate changes were observed in inflammatory cytokines, FGF21, and bone metabolism markers following the marathon. In contrast, no immediate changes in urinary excretion of 8-oxodG and 8-oxoGuo were evident. Four days after the marathon, decreased urinary excretion of 8-oxodG (-2.9 (95% CI -4.8;-1.1) nmol/24 h, P < 0.01) and 8-oxoGuo (-5.8 (95% CI -10.3;-1.3) nmol/24 h, P = 0.02) was observed. The excretion rate of 8-oxodG remained decreased 7 days after the marathon compared to baseline (-2.3 (95%CI -4.3;-0.4) nmol/24 h, P = 0.02), whereas the excretion rate of 8-oxoGuo was normalized. In conclusion marathon participation immediately induced a considerable inflammatory response, but did not increase excretion rates of oxidatively generated nucleic acid modifications. In fact, a delayed decrease in oxidatively generated nucleic acid modifications was observed suggesting adaptive antioxidative effects following exercise. 相似文献