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11.
Orthographic spelling is a major difficulty in German-speaking children with dyslexia. The aim of the present study was to
evaluate the effectiveness of an orthographic spelling training in spelling-disabled students (grade 5 and 6). In study 1,
ten children (treatment group) received 15 individually administered weekly intervention sessions (60 min each). A control
group (n = 4) did not receive any intervention. In study 2, orthographic spelling training was provided to a larger sample consisting
of a treatment group (n = 13) and a delayed treatment control group (n = 14). The main criterion of spelling improvement was analyzed using an integrated dataset from both studies. Repeated-measures
analysis of variance revealed that gains in spelling were significantly greater in the treatment group than in the control
group. Statistical analyses also showed significant improvements in reading (study 1) and in a measure of participants’ knowledge
of orthographic spelling rules (study 2). The findings indicate that an orthographic spelling training enhances reading and
spelling ability as well as orthographic knowledge in spelling-disabled children learning to spell a transparent language
like German. 相似文献
12.
Natalia Rakhlin Cláudia Cardoso-Martins Sergey A. Kornilov Elena L. Grigorenko 《Annals of dyslexia》2013,63(3-4):253-273
The goal of the study was to investigate the overlap between developmental language disorder (DLD) and developmental dyslexia, identified through spelling difficulties (SD), in Russian-speaking children. In particular, we studied the role of phoneme awareness (PA), rapid automatized naming (RAN), pseudoword repetition (PWR), morphological (MA), and orthographic awareness (OA) in differentiating between children with DLD who have SD from children with DLD who are average spellers by comparing the two groups to each other, to typically developing children as well as children with SD but without spoken language deficits. One hundred forty-nine children, aged 10.40 to 14.00 years, participated in the study. The results indicated that the SD, DLD, and DLD/SD groups did not differ from each other on PA and RAN Letters and underperformed in comparison to the control groups. However, whereas the children with written language deficits (SD and DLD/SD groups) underperformed on RAN Objects and Digits, PWR, OA, and MA, the children with DLD and no SD performed similarly to the children from the control groups on these measures. In contrast, the two groups with spoken language deficits (DLD and DLD/SD) underperformed on RAN Colors in comparison to the control groups and the group of children with SD only. The results support the notion that those children with DLD who have unimpaired PWR and RAN skills are able to overcome their weaknesses in spoken language and PA and acquire basic literacy on a par with their age peers with typical language. We also argue that our findings support a multifactorial model of DLD. 相似文献
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14.
Elena Bray Speth Jennifer L. Momsen Gregory A. Moyerbrailean Diane Ebert-May Tammy M. Long Sara Wyse Debra Linton 《CBE life sciences education》2010,9(3):323-332
Biology of the twenty-first century is an increasingly quantitative science. Undergraduate biology education therefore needs to provide opportunities for students to develop fluency in the tools and language of quantitative disciplines. Quantitative literacy (QL) is important for future scientists as well as for citizens, who need to interpret numeric information and data-based claims regarding nearly every aspect of daily life. To address the need for QL in biology education, we incorporated quantitative concepts throughout a semester-long introductory biology course at a large research university. Early in the course, we assessed the quantitative skills that students bring to the introductory biology classroom and found that students had difficulties in performing simple calculations, representing data graphically, and articulating data-driven arguments. In response to students'' learning needs, we infused the course with quantitative concepts aligned with the existing course content and learning objectives. The effectiveness of this approach is demonstrated by significant improvement in the quality of students'' graphical representations of biological data. Infusing QL in introductory biology presents challenges. Our study, however, supports the conclusion that it is feasible in the context of an existing course, consistent with the goals of college biology education, and promotes students'' development of important quantitative skills. 相似文献
15.
Elena Pelzer 《Communication Research Reports》2019,36(2):136-147
Surveys on choices oftentimes rely on Likert-type scales. However, they prevent researchers from identifying the relative importance of different stimulus features for the choice decision. Here, it is shown that conjoint analysis offers a variety of advantages emerging from its use of questions that force the subject to trade off conflicting attribute levels. This study discusses some problems of Likert-type scale measures and shows when conjoint analysis may solve some of these problems. Differences between measurements are illustrated in a uses and gratifications study, assessing convergent validity on Likert-type scale measures with traditional conjoint analysis and choice-based conjoint analysis. Results show that subjects prefer “cognitive needs” by Likert-type scale measures against “tension release needs” by both conjoint analyses. The different outcome is independent from linguistic variation and from dual-process models of information processing. Implications for communication research are discussed. 相似文献
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Elena Rudkowsky Martin Haselmayer Matthias Wastian Marcelo Jenny Štefan Emrich Michael Sedlmair 《Communication methods and measures》2018,12(2-3):140-157
ABSTRACTMoving beyond the dominant bag-of-words approach to sentiment analysis we introduce an alternative procedure based on distributed word embeddings. The strength of word embeddings is the ability to capture similarities in word meaning. We use word embeddings as part of a supervised machine learning procedure which estimates levels of negativity in parliamentary speeches. The procedure’s accuracy is evaluated with crowdcoded training sentences; its external validity through a study of patterns of negativity in Austrian parliamentary speeches. The results show the potential of the word embeddings approach for sentiment analysis in the social sciences. 相似文献
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This paper is a commentary on the classroom interventions on the teaching and learning of proof reported in the seven empirical papers in this special issue. The seven papers show potential to enhance student learning in an area of mathematics that is not only notoriously difficult for students to learn and for teachers to teach, but also critically important to knowing and doing mathematics. Although the seven papers, and the intervention studies they report, vary in many ways—student population, content domain, goals and duration of the intervention, and theoretical perspectives, to name a few—they all provide valuable insight into ways in which classroom experiences might be designed to positively influence students’ learning to prove. In our commentary, we highlight the contributions and promise of the interventions in terms of whether and how they present capacity to change the classroom culture, the curriculum, or instruction. In doing so, we distinguish between works that aim to enhance students’ preparedness for, and competence in, proof and proving and works that explicitly foster appreciation for the need and importance of proof and proving. Finally, we also discuss briefly the interventions along three dimensions: how amenable to scaling up, how practicable for curricular integration, and how capable of producing long-lasting effects these interventions are. 相似文献
20.
Romania is perceived as the most corrupt EU member state according to Transparency International Corruption Perception Index. In 2008–2009, a grassroots coalition of civil society organizations and education stakeholders created the Coalition for Clean Universities which organized the first assessment of integrity of the Romanian higher education system, The Coalition evaluated 42 state universities on the basis of an original methodology, in terms of Administrative Integrity, Academic Integrity, Democratic Governance, Academic Governance and Sound Finance for a time internal of one academic year. The evaluation found systemic problems in the organization and functioning of university life, and attributed them to the failure to build accountability systems at university level following decentralization of higher education after 1989. The results, in the form of a ranking of universities, were made public and hotly debated, creating a major incentive for universities to compete for a better public image, and therefore for reform of their practices. 相似文献