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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
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The use of structural equation modeling (SEM) in communication research has become increasingly popular in recent years, with SEM being commonly used as the primary method of data analysis in studies published within the field’s journals. However, despite its widespread use, there are persistent misapplications of SEM in published empirical studies in the communication sciences. Of these types of misuse, the most troubling are those related to the exploitation of flexibilities in data collection and analysis. Given the number of decisions that must be made when analyzing and reporting structural equation models, decisions which often remain undisclosed, the potential for researchers to exploit flexibilities in SEM research is high. To assess the extent of this problem, as well as the more longstanding types of misuse (i.e., omission of information and disclosed “bad practice”) identified by prior studies, we undertake a methodical review of studies employing structural equation modeling within major journals in the field of communication between the years 2007 and 2011. Articles were coded on the characteristics of the sample, characteristics of the model tested, as well as for various potential problems that we defined a priori. The most serious issues are identified, and recommendations for future standards in SEM research are suggested. 相似文献
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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
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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
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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
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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