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41.
Robert A. Ellis 《Education and Information Technologies》2016,21(5):1095-1112
University teachers provided first year Arts students with hundreds of cinematic images online to analyse as a key part of their predominantly face-to-face undergraduate course. This qualitative study investigates the extent to which the groups engaged in learning involving their analysis of the images and how this was related to their perception of the ICT-mediated environment. Interviews and questionnaires completed by students revealed that the extent of engaged learning was related to the quality of the approach to groupwork reported by the students, the quality of their approach to the analysis of the images and their perceptions of key aspects of the online environment which provided the images. The findings have implications for the design and approach to teaching best suited for students involved in groupwork and the use of ICT resources provided to promote engaged experiences of learning. 相似文献
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Jules L. Ellis 《Educational and psychological measurement》2021,81(3):549
This study develops a theoretical model for the costs of an exam as a function of its duration. Two kind of costs are distinguished: (1) the costs of measurement errors and (2) the costs of the measurement. Both costs are expressed in time of the student. Based on a classical test theory model, enriched with assumptions on the context, the costs of the exam can be expressed as a function of various parameters, including the duration of the exam. It is shown that these costs can be minimized in time. Applied in a real example with reliability .80, the outcome is that the optimal exam time would be much shorter and would have reliability .675. The consequences of the model are investigated and discussed. One of the consequences is that optimal exam duration depends on the study load of the course, all other things being equal. It is argued that it is worthwhile to investigate empirically how much time students spend on preparing for resits. Six variants of the model are distinguished, which differ in their weights of the errors and in the way grades affect how much time students study for the resit. 相似文献
44.
Previous research has shown that pictures can be effective in enhancing text memory. For example, Waddill and McDaniel (1992) found that pictures depicting detail information in an expository text effectively enhanced recall of those details and pictures depicting relational information effectively enhanced recall of those relations. However, the research on picture enhancement effects raises the question of whether the mnemonic value of pictures is simply a by‐product of having drawn attention to parts of the text through selective repetition of text content. The present study addressed the question by comparing the relative effectiveness of pictures versus simple verbal captions in promoting text memory. The results replicated the Waddill and McDaniel (1992) pictorial enhancement effect. However, the results showed that repeating the targeted information in a verbal caption was as effective as providing a pictorial illustration, thus suggesting that repetition of text content rather than nonverbal pictorial illustrations produced the effect. The findings generalized across three texts that differed in the amount of spatial content they conveyed. 相似文献
45.
AbstractThe subjects that young people study from age 14 onwards may have important consequences for their future academic and labour market outcomes. These decisions are shaped by the schools in which they find themselves. Schools also face constraints of their own. This paper explores the extent to which individuals’ decisions are affected by the school they attend and to what extent this is affected by the composition of schools in terms of academic attainment, gender, and socioeconomic background. We use multi-level variance decomposition models applied to administrative data on the subjects that young people in mainstream state-funded schools in England study between ages 14 and 16. Our results highlight the important role that constraints on schools play in subject choice decisions. We also note the particular role of attending a non-selective school within a selective schooling district. 相似文献
46.
Golick Douglas A. Schlesselman Diana M. Ellis Marion D. Brooks David W. 《Journal of Science Education and Technology》2003,12(2):149-152
Bumble Boosters was a lottery grant funded cooperative project between the University of Nebraska – Lincoln Department of Entomology, the Lincoln Public Schools Science Focus Program, and the Lincoln Folsom Children's Zoo. The primary education goal of the project was to create a community of learners to conduct authentic research on bumble bees in Nebraska. Participants were actively engaged in collecting bumble bees and placing nesting domiciles. Internet technology was employed to facilitate networking between project participants. Systematic evaluation was conducted during and after the project. 相似文献
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Conclusion The most important finding from this study is that if one adheres to the guidelines from the literature on staff development
and educational change, teachers can and will change their teaching behaviors. It is very easy, however, to underestimate
the time and resources required to implement change in schools. Even a seemingly simple change such as increasing use of educational
computing, which teachers can implement in their individual classrooms without an overhaul of schools, is immensely complex
and difficult. Helping teachers and schools change requires a systematic effort, with intensive on-going support over a period
of three or more years. Science educators, school leaders, and the public must learn that school improvement is not an event
but a continual process of renewal and refinement.
This study demonstrates the importance of allocating resources to staff development and implementation along with those for
curriculum development. Fortunately, the National Science Foundation has recognized the importance of implementation in school
improvement by requiring that implementation be an integral part of all curriculum development projects it funds. As Hall
(1986) said, “It is not enough to build pretty boxes; what is important is to get the boxes used.”
This article is based on work supported by the National Science Foundation under Grant No. MDR-8470061. Any opionions, findings,
and conclusions or recommendations expressed in this publication are those of the authors and do not necessarily reflect the
views of the National Science Foundation. 相似文献
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The truth,but not yet: avoiding naïve skepticism via explicit communication of metadisciplinary aims
Jake Wright 《Teaching in Higher Education》2019,24(3):361-377
ABSTRACTIntroductory students regularly endorse naïve skepticism – unsupported or uncritical doubt about the existence and universality of truth – for a variety of reasons. Though some of the reasons for students’ skepticism can be traced back to the student – for example, a desire to avoid engaging with controversial material or a desire to avoid offense – naïve skepticism is also the result of how introductory courses are taught, deemphasizing truth to promote students’ abilities to develop basic disciplinary skills. While this strategy has a number of pedagogical benefits, it prevents students in early stages of intellectual development from understanding truth as a threshold concept. I argue that we can make progress against naïve skepticism by clearly discussing how metadisciplinary aims differ at the disciplinary and course levels in a way that is meaningful, reinforced, and accessible. 相似文献