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31.
Julian Sefton-Green 《Teaching Education》2013,24(1):37-51
This paper investigates the nature of informal learning through a study of children's (age 9-13) use of chatrooms and in a computer games class in an out-of-school-centre. The paper discusses contemporary policy interest in the concept but argues that it loses value for educationalists except as "critical lens" to explore formal learning. Key elements of informal learning are dissected and close analysis of children's talk in informal learning situations is analysed in terms of its pedagogic structure. 相似文献
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Beyond Framing 总被引:1,自引:0,他引:1
Visual news media's framing has been well studied; however, production factors and cultural conditions involved in photographer–subject interactions have attracted less scholarly attention although they are no less influential in determining the depiction. Guided by social constructionism theory, in-depth interviews with staff photojournalists at a daily community newspaper in the Midwest and an analysis of their work revealed 22 variables that impact how and why images look the way they do. Photojournalists have complete control of only two of these variables, share partial control of 13, but have no control over the remaining seven. The photographers also shared insights into how to improve their journalism's verisimilitude when dealing with reactive subjects. The results support concepts of social constructionism that the subjects of photographs are most comfortable with photographers who share similar characteristics, but that some characteristics can have greater influence. The results also highlight areas where photographers might focus in pursuit of authenticity in journalistic photographs. 相似文献
34.
对大部分人来说,当我们讨论学习时,我们会不可避免地将其与正规的教育系统联系起来。但任何关于ICTs在儿童学习中角色的研究都使我们认识到,在校外情景中,儿童非常容易沉浸于ICTs相关的活动中,这就迫使我们必须用更广阔的视角来审视包括学校、家庭、休闲、图书馆、博物馆等在内的"教育生态学"。本综述首先对"非正规学习"进行了界定,指发生在学校环境之外,数字技术支持或与数字技术交互的非正规学习;接着讨论了本研究所依据的学习的核心理论以及在ICTs支持的关于学习的研究中不断产生的新的学习理论;勾勒出儿童在校外获取和使用数字技术的情景;然后基于已有的关于技术支持的非正规学习的案例,总结提炼出技术支持的非正规学习的关键特征;最后对这些研究的理论和政策含义进行了深入的研究和剖析。 相似文献
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This paper is a comprehensive literature review of original research on the nature of back pain/discomfort in pregnancy. The causes of back pain/discomfort in pregnancy are reviewed and discussed, and the clinical manifestations and implications are explored. This analysis revealed that approximately 50% of pregnant women experience back pain/discomfort with little or no intervention from their health care providers. Thus, back pain/discomfort in pregnancy seems to be invisible and forgotten in contemporary antenatal care. Evidence-based guidelines are provided for both women and health professionals as a way of increasing attention to the prevention of unnecessary back pain/discomfort during pregnancy. 相似文献
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In this study we test a number of different claims about the nature of stylistic variation at the "single-word" stage by examining the relation between variation in early vocabulary composition, variation in early language use, and variation in the structural and functional propreties of mothers' child-directed speech. Maternal-report and observational data were collected for 26 children at 10, 50, and 100 words, These were then correlated with a variety of different measures of maternal speech at 10 words, The results show substantial variation in the percentage of common nouns and unanalyzed phrases in children's vocabularies, and singficant relations between this variation and the way in which language is used by the child. They also reveal singficant relations between the way in whch mothers use language at 10 words and the way in chich their children use language at 50 words and between certain formal properties of mothers speech at 10 words and the percentage of common nouns and unanalyzed phrases in children's early vocabularies, However, most of these relations desappear when an attempt is made to control for ossible effects of the child on the mother at Time 1. The exception is a singficant negative correlation between mothers tendency to produce speech that illustrates word boundaries and the percentage of unanalyzed phrases at 50 and 100 words. This suggests that mothers whose sprech provides the child with information about where new words begin and end tend to have children with few unanalyzed. phrases in their early vocabularies. 相似文献
39.
Maria Pampaka Graeme Hutcheson Julian Williams 《International Journal of Research & Method in Education》2016,39(1):19-37
Missing data is endemic in much educational research. However, practices such as step-wise regression common in the educational research literature have been shown to be dangerous when significant data are missing, and multiple imputation (MI) is generally recommended by statisticians. In this paper, we provide a review of these advances and their implications for educational research. We illustrate the issues with an educational, longitudinal survey in which missing data was significant, but for which we were able to collect much of these missing data through subsequent data collection. We thus compare methods, that is, step-wise regression (basically ignoring the missing data) and MI models, with the model from the actual enhanced sample. The value of MI is discussed and the risks involved in ignoring missing data are considered. Implications for research practice are discussed. 相似文献
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