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This article explores the crucial moments of scientists’ research activities when they decide to shift to a radical new domain or to perpetuate a project. We introduce what we have called the “respiration model” which describes and analyses key cognitive components which occur in this complex process. Respiration either privileges epistemic expectations which are rooted in socio-cognitive metrics of “concentration” or in a functionality-multiple horizon context which we refer to as “extension”. The respiration model accords particular attention to the elements curiosity and synergy in science. 相似文献
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Anne Sheppard 《Pastoral Care in Education》2005,23(3):19-25
This article discusses aspects of school attendance difficulties, focusing on why a minority of children decide to miss school. It is an exploratory study representing a developmental approach that aims to establish the immediate determinants of school absence to gain more understanding of the nature of attendance difficulties and eventually inform practitioner methods. Questionnaires, designed to measure attitudes, perceptions and parent–child interaction over school absence were administered to two hundred and nine 12–13 year olds attending a comprehensive school. Thirty-five individual interviews were carried out with good and poor attenders to clarify the questionnaire responses. It was concluded that school attendance difficulties develop like other defiant behaviour problems, with parental reaction playing a major role. Government policies encouraging the use of punitive measures with parents of poor attenders do not provide practitioners or pastoral staff with the sophisticated working methods necessary to help poor attending children achieve an education. 相似文献
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Learner-centered teaching (LCT) has been found to be a more effective pedagogy for online students, as traditional teaching methods do not work well in online courses. Professors in an upper-level technology management class revised their online introductory course to incorporate cafeteria-style grading. This LCT approach allowed students to select assignments they wanted to complete. More assignments were offered than needed to achieve an A grade. They included traditional projects such as research papers as well as more engaged activities such as demonstrating or mastering skills. To determine whether these changes promoted active learning, course data were obtained and analyzed. Students completed a range of assignments, showed mastery on a number of skills, and were overwhelmingly positive about having flexible options. Tellingly, 36% of students completed more assignments than were needed to earn the top grade. 相似文献
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Given the relationships of item response theory (IRT) models to confirmatory factor analysis (CFA) models, IRT model misspecifications might be detectable through model fit indexes commonly used in categorical CFA. The purpose of this study is to investigate the sensitivity of weighted least squares with adjusted means and variance (WLSMV)-based root mean square error of approximation, comparative fit index, and Tucker–Lewis Index model fit indexes to IRT models that are misspecified due to local dependence (LD). It was found that WLSMV-based fit indexes have some functional relationships to parameter estimate bias in 2-parameter logistic models caused by violations of LD. Continued exploration into these functional relationships and development of LD-detection methods based on such relationships could hold much promise for providing IRT practitioners with global information on violations of local independence. 相似文献
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Jo‐Anne Lee 《Gender and education》2011,23(2):105-119
This article employs a transnational feminist lens to examine the experiences of racialised immigrant girls who provide care for their younger siblings. The article draws on findings from a participatory action research study in Victoria, British Columbia, Canada to examine the role that immigrant girls’ caregiving practices play in transnational families’ social, economic, and cultural survival. It argues that greater attention should be given to the diverse and complex contexts, consequences, costs, and contributions of immigrant girls’ caregiving labour. 相似文献