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181.
Anna C. McFadden George E. Marsh II Barrie Jo Price Yunhan Hwang 《The Urban Review》1992,24(4):239-251
There is scant research concerned about punishment of handicapped, minority students in public schools. The purpose of this study was to investigate race and gender, types of rules violations, types of punishments, referral rates, referral frequencies, and follow-up activities to determine differences in treatment by race, sex, and handicapping condition. The sample consisted of 4,391 discipline files representing records from 9 schools in a district (K-12). All data were analyzed using the Chi Square statistic. It was demonstrated that racial bias existed in the administration of punishment, and that Black, male handicapped students were punished more severely than others for commission of the same offenses. 相似文献
182.
Anna Rychlicka 《High Ability Studies》1991,1(2):227-231
Little is known about the use of metaphors in problem solving. In this study, a group of 20 year olds attempted to solve problems with the help of different kinds of metaphors (apt vs. nonapt; remote vs. literal). Different kinds of metaphors were valuable for different aspects of problem solving and for people of differing levels of creativity, but the use of metaphor did not depend on level of intelligence. Literal metaphors did not impede creative thinking, as long as they were apt.
183.
Jerry Booth Sarah Collins Anna Hammond† 《Assessment & Evaluation in Higher Education》2009,34(1):17-29
This article suggests that quality assessment in the UK has been largely set apart from learning and teaching and reports on a pilot project at the Hull York Medical School which attempted to integrate students’ evaluation of their clinical placements into the curriculum. It outlines the operational demands of this integrated method and compares the student experience of different evaluation methods. It argues that, when properly prepared and considered, evaluation can help students to practise useful skills and suggests that integrating this type of evaluation into the curriculum could be a step towards encouraging academic staff to engage with quality processes. 相似文献
184.
Reduction of water evaporation in polymerase chain reaction microfluidic devices based on oscillating-flow 总被引:1,自引:0,他引:1
Alessandro Polini Elisa Mele Anna Giovanna Sciancalepore Salvatore Girardo Adriana Biasco Andrea Camposeo Roberto Cingolani David A. Weitz Dario Pisignano 《Biomicrofluidics》2010,4(3)
Producing polymeric or hybrid microfluidic devices operating at high temperatures with reduced or no water evaporation is a challenge for many on-chip applications including polymerase chain reaction (PCR). We study sample evaporation in polymeric and hybrid devices, realized by glass microchannels for avoiding water diffusion toward the elastomer used for chip fabrication. The method dramatically reduces water evaporation in PCR devices that are found to exhibit optimal stability and effective operation under oscillating-flow. This approach maintains the flexibility, ease of fabrication, and low cost of disposable chips, and can be extended to other high-temperature microfluidic biochemical reactors. 相似文献
185.
A pedagogical analysis of science textbooks: How can we proceed? 总被引:1,自引:0,他引:1
This paper discusses some of the available frameworks for the pedagogical analysis of school science textbooks. First, it
distinguishes between (a) studies which focus on elements of textbooks, such as the content, vocabulary, illustrations used,
and the teaching methods promoted; and (b) those which consider the principles that organize the content and the form of presentation.
In attempting to consider the sorts of principles that may be used in the studies categorised under (b), two crucial issues
are discussed. The first issue refers to the relationship between scientific knowledge and school knowledge, which, as the
relevant literature suggests, might not be conceived merely as a simplified “casting” of the scientific structure, but rather
should be understood as a complex social process. The second issue explicitly addresses the nature of the pedagogic relationship
and the place of the pedagogic text within it. Recent views about the nature of knowledge, it is argued, would suggest a reconceptualisation
of the teaching activity, and indicate a model according to which the three elements of the teaching situation-the content,
the pupil and the teacher—are seen as being (re)constituted in their articulation within and through the text(book). Thus,
for example, what is to be a competent pupil in this approach is a function of the text. On the basis of these considerations,
three approaches to the analysis of science textbooks are discussed: the socio-cognitive, the sociolinguistic and the socio-epistemic.
The relative merits of the third approach are considered, and some examples are used from Greek science textbooks. 相似文献
186.
Previous research has suggested that adopting a transformative school organisation perspective when implementing ESD may be more productive than the previously recommended transmissive perspectives, but it is not clear how transformative perspectives could be introduced. To address this issue, we conducted an empirical mixed methods study of existing practices in 10 highly ESD-active upper secondary schools in Sweden. The schools’ leaders, who were responsible for implementing ESD, were interviewed to obtain information on the quality criteria they used to guide their work. The arguments used by the leaders to justify their criteria were analysed and categorised based on their relationships with the transmissive and transformative quality strategies. Both school organisation perspectives were found to co-exist within the schools. A detailed analysis of schools where the transformative perspective was dominant revealed three distinct quality strategies, one of which was found to embody a strong focus on a transformative approach. This specific quality strategy is discussed and suggested as a way for interested schools to implement ESD in a more transformative way at the school organisation level. 相似文献
187.
Kindergarten risk factors, cognitive factors, and teacher judgments as predictors of early reading in Dutch 总被引:1,自引:0,他引:1
This study focused on the predictive value of risk factors, cognitive factors, and teachers' judgments in a sample of 462 kindergartners for their early reading skills and reading failure at the beginning of Grade 1. With respect to risk factors, enrollment in speech-language therapy, history of dyslexia or speech-language problems in the family, and the role of gender were considered. None of these risk factors were significantly related to reading performance. Cognitive factors in this study included letter knowledge, rapid naming ability, and nonword repetition skills. Of these skills, letter knowledge seemed to have the highest correlation with reading. Kindergarten teachers' judgments, including a task assignment scale and teachers' predictions, demonstrated a significant relationship with reading. Finally, to judge whether these predictors could identify reading disabilities, the discriminatory power of all predictors was assessed and appeared to be insufficient. Implications for screening purposes are discussed. 相似文献
188.
189.
Veronica Macchi Andrea Porzionato Carla Stecco Cesare Tiengo Anna Parenti Adriano Cestrone Raffaele De Caro 《Anatomical sciences education》2011,4(3)
Medical Gross Anatomy lecture at the University of Padova, Italy. Gross Anatomy at the University of Padova is taught utilizing both traditional and technological resources, which are integrated with practical laboratory exercises (mainly on plastic models and plastinated specimens) as well as radiological anatomy. In this issue of ASE, Dr. Veronica Macchi and her colleagues from the Department of Human Anatomy and Physiology at the University of Padova discuss an innovative pilot project with their University Hospital in which they obtain body parts removed from patients during surgical procedures and utilize them for gross anatomy education. The cover photograph shows one of the co‐authors of this paper, Professor Raffaele De Caro and his students, performing dissection of the distal forearm and hand in the anatomy lecture theater at the University of Padova. 相似文献
190.
Learning Analytics (LA) and adaptive learning are inextricably linked since they both foster technology-supported learner-centred education. This study identifies developments focusing on their interplay and emphasises insufficiently investigated directions which display a higher innovation potential. Twenty-one peer-reviewed studies are identified via a systematic review and classified based on the dimensions of a proposed framework. The findings of the review suggest that interesting work has been carried out during the last years on the topic. We conclude with a need for more research on the topic in specific learning domains and settings. Recommendations include: a clear strategy for adaptation augmented by LA, the combination of on-task with pre-task measures, and the combination of system-controlled adaptation with user-controlled adaptation. Future trends include the emergence of constructivist-collaborative environments that provide insightful models of complex student behaviour. 相似文献