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11.
Educational Studies in Mathematics - In mathematics education research, proofs are often conceptualized as sequences of mathematical assertions. We argue that this ignores proofs that contain... 相似文献
12.
In this paper, we report a study in which nine research mathematicians were interviewed with regard to the goals guiding their
reading of published proofs and the type of reasoning they use to reach these goals. Using the data from this study as well
as data from a separate study (Weber, Journal for Research in Mathematics Education 39:431–459, 2008) and the philosophical literature on mathematical proof, we identify three general strategies that mathematicians employ
when reading proofs: appealing to the authority of other mathematicians who read the proof, line-by-line reading, and modular
reading. We argue that non-deductive reasoning plays an important role in each of these three strategies. 相似文献
13.
Lisa B. Weber 《Archival Science》1987,1(2):9-13
Conclusion It is easy to get bogged down in the complexities of this topic. What is most important to keep in mind, (and what we tell
the SAA MARC-AMC workshop participants) is to create a catalog record that expresses to the user what you want it to. However,
this is often easier said than done. 相似文献
14.
Johannes S. Binder Michael Scholz Stephan Ellmann Michael Uder Robert Grützmann Georg F. Weber Christian Krautz 《Anatomical sciences education》2021,14(1):22-31
Integration of medical imaging into preclinical anatomy courses is already underway in many medical schools. However, interpretation of two-dimensional grayscale images is difficult and conventional volume rendering techniques provide only images of limited quality. In this regard, a more photorealistic visualization provided by Cinematic Rendering (CR) may be more suitable for anatomical education. A randomized, two-period crossover study was conducted from July to December 2018, at the University Hospital of Erlangen, Germany to compare CR and conventional computed tomography (CT) imaging for speed and comprehension of anatomy. Sixteen students were randomized into two assessment sequences. During each assessment period, participants had to answer 15 anatomy-related questions that were divided into three categories: parenchymal, musculoskeletal, and vascular anatomy. After a washout period of 14 days, assessments were crossed over to the respective second reconstruction technique. The mean interperiod differences for the time to answer differed significantly between the CR–CT sequence (−204.21 ± 156.0 seconds) and the CT–CR sequence (243.33 ± 113.83 seconds; P < 0.001). Overall time reduction by CR was 65.56%. Cinematic Rendering visualization of musculoskeletal and vascular anatomy was higher rated compared to CT visualization (P < 0.001 and P = 0.003), whereas CT visualization of parenchymal anatomy received a higher scoring than CR visualization (P < 0.001). No carryover effects were observed. A questionnaire revealed that students consider CR to be beneficial for medical education. These results suggest that CR has a potential to enhance knowledge acquisition and transfer from medical imaging data in medical education. 相似文献
15.
Randall C. Nedegaard Carenlee Barkdull Bret A. Weber Dheeshana S. Jayasundara 《Journal of Teaching in Social Work》2018,38(1):73-87
ABSTRACTAmerican Indians and Alaska Natives are underrepresented as social work students, social work educators, and within the profession in general. In addition, many historical and socioeconomic factors have contributed to disproportionality in higher education attainment between these students and those within other ethnic groups. Compounding the challenges, many students in reservation communities lack access to programs that provide social work degrees. Faculty based in a small university in the upper Midwest delivered a BSW program to students in a tribal community over a 3-year period and share pedagogical lessons learned from their students and the literature. 相似文献
16.
This paper reviews empirical literature on how people use documents to perform tasks. We examine studies that have been published under the topics of: following written directions, reading maps, following instructions, using job performance aids, and processing procedural texts. Documents that contain a procedure, such as a set of directions, require transformation of information. Such transformation frequently requires converting a procedure represented verbally in a text into a procedure represented behaviorally in a performance. To accomplish this transformation, we propose that students must: (a) form a conceptual model of the performance; (b) encode procedures from the document; (c) engage in self-testing; and (d) conduct self-corrections to repair mistakes. We further propose that these operations are performed most efficiently with distinctive information resources. An overview of the task is likely to be most effective in facilitating conceptual model formation. Procedural information that emphasizes temporal characteristics of the performance will facilitate the encoding of procedures. A representation of the outcome (usually graphic) improves self-testing, and the comparison of the outcome with progress in the workspace leads to most effective self-correction. This process-resource interaction minimizes the number and complexity of transformations required to process procedural documents. 相似文献
17.
The purpose of this study was to investigate the effect of density of fish on the rate of avoidance learning in a schooling fish. Naive adult zebra fish (Brachydanio rerio) were trained in a two-way aquatic shuttlebox, in isolation, in groups of two, or in groups of five. The number of trials to reach progressively more exacting levels of performance (1, 2, 3, … ,9 consecutive correct avoidance responses on 2 successive days), was used to quantify the rate of learning for individuals in the three groups. Using this measure, individuals in groups of five reached any given level of performance in fewer trials than individuals tested alone, which in turn reached the progressive criteria in fewer trials than individuals tested in pairs. In addition, the mean latency of response to the conditioned stimulus for individuals in groups of five was significantly lower than for individuals tested alone or in groups of two by Day 3 of the experiment. The rate of learning in zebra fish schools at these densities may be due to either a balance between imitation learning and conflict-inhibition among the fish or the elicitation of different behavioral responses by shock, depending upon environmental stimuli. 相似文献
18.
第二章神秘娱乐的层次关系
从我们的这边看出去,我们带给观众的表演是魔术效果(effect)。而从观众的角度来看呢,我们的演出可分成三种不同的感受: 相似文献
19.
20.
When Cultural Norms Discourage Talking to Babies: Effectiveness of a Parenting Program in Rural Senegal 下载免费PDF全文
In some areas of rural Africa, long‐standing cultural traditions and beliefs may discourage parents from verbally engaging with their young children. This study assessed the effectiveness of a parenting program designed to encourage verbal engagement between caregivers and infants in Wolof‐speaking villages in rural Senegal. Caregivers (n = 443) and their 4‐ to 31‐month‐old children were observed at baseline in 2013 and 1 year later at follow‐up. Results showed that caregivers in program villages nearly doubled the amount of child‐directed speech during a play session compared to baseline, whereas caregivers in matched comparison villages showed no change. After 1 year, children in program villages produced more utterances, and showed greater improvement in vocabulary and other language outcomes compared to children in comparison villages. 相似文献