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71.
Helena C. Araújo 《Gender and education》1992,4(1-2):7-24
The paper examines the emergence of the new definitions of women's position which constituted a ‘new orthodoxy’ at the turn of the nineteenth century in Portugal. ‘Women's nature’ and the ‘aims of women's education’ were the most debated issues. Different ideological positions were identified. The examination of these debates and of the emerging ‘new orthodoxy’ illustrates women's transition from ‘private’ forms of patriarchy to ‘public’ forms of patriarchy. It also demonstrates that this transition became an arena of contestation and negotiation, in the specific conditions of Portuguese society. 相似文献
72.
In this article, we use multimodality to examine how bilingual students interact with an area task from the National Assessment of Educational Progress in task-based interviews. Using vignettes, we demonstrate how some of these students manipulate the concrete materials, and use gestures, as a primary form of structuring their explanations and making mathematical meaning. We use our results as a basis to challenge the possible deficit perspective of bilingual students’ mathematical knowledge in current assessment practices. Choosing tasks that afford multiple modes of engagement and recognizing multimodal explanations in assessment practices has the potential to move us towards a better understanding of what bilingual students know and can do mathematically. 相似文献
73.
Latent class methods can be used to identify unobserved subgroups which differ in their observed data. Researchers are often interested in outcomes for the identified subgroups and in some disciplines time-to-event outcome measures are common, e.g., overall survival in oncology. In this study Monte Carlo simulation is used to evaluate the empirical properties of latent class effect estimates on a time-to-event distal outcome using one, two and three-step approaches. Both standard and inclusive bias-corrected three-step approaches are considered. One-step latent class effect estimates are shown to be superior to the evaluated alternatives. Both the two-step approach and a standard three-step approach, where subjects are partially assigned to latent classes, produced unbiased estimates with nominal confidence interval coverage when latent classes were well separated, but not otherwise.
74.
Jesús Vázquez-Abad Nancy Brousseau Waldegg C. Guillermina Mylène Vézina Alicia D. Martínez Janet Paul de Verjovsky 《Journal of Science Education and Technology》2004,13(2):227-232
TACTICS (French and Spanish acronym standing for Collaborative Work and Learning in Science with Information and Communications Technologies) is an ongoing project aimed at investigating a distributed community of learning and practice in which information and communications technologies (ICT) take the role of collaborative tools to support social construction of knowledge. This community is composed of researchers, graduate students, and high-school teachers and their students, from six schools and four universities in Canada and Mexico. It set out in fall 2000 to develop a community around the general topic of integrating concepts in science school subjects. Once a prototype community is established, it can become a terrain where different aspects could be studied. Subsequently, researchers could gradually take a back seat allowing as well as ensuring the autonomy of the school members involved and, thereby, the viability of the learning community. The set up of the proposed prototype distributed science learning community was therefore an essential yet far from trivial first step. This paper discusses the process of setting up the community and the lessons learned. 相似文献
75.
Carolina Casado-Robles Santiago Guijarro-Romero Jesús Viciana 《The Journal of educational research》2020,113(4):262-274
Abstract The aim of the study was to compare the effect of a Sport Education-based irregular teaching unit on the high-school students’ physical activity (PA) during school recess. A sample of 91 adolescents (45 girls) aged 13–16?years old met the exclusion criteria. The six classes were cluster-randomly assigned to the Irregular Sport Education group (Sport Education methodology with competitions in recess), Traditional Sport Education group (Sport Education methodology with competitions in Physical Education lessons), or to the control group (non-intervention). The students’ PA during school recess periods were objectively assessed by GT3X accelerometers. The results of the repeated-measures nested analysis of variance showed that the Sport Education-based irregular teaching unit significantly improved the students’ PA during recesses (p?<?0.001). The competitions phase of the Sport Education model performed at school recesses seems to be a valuable strategy for increasing students’ PA contributing to the achievement of the daily recommendations. 相似文献
76.
Núria Gorgorió 《Educational Studies in Mathematics》1998,35(3):207-231
This article deals with the solving of rotation problems, and shows that there is an alternative to using mental rotations or their encoding into verbal terms: namely using geometrical properties. The idea is consistent with the theory which distinguishes between visual and analytical individuals, but uses the construct strategies instead of the construct preferred processing mode. Moreover, contrary to many researchers who refer to this distinction, but who often use it to classify students, this researcher introduces a new parameter, namely the nature of the task. The article presents the analysis of the functionality and effectiveness of the different kind of strategies as a function of the task's characteristics. The research, dealing not with individual traits but with solving strategies, offers information that could be helpful for the improvement of geometry teaching. 相似文献
77.
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79.
Justification and Persuasion about Cloning: Arguments in Hwang’s Paper and Journalistic Reported Versions 总被引:4,自引:4,他引:0
María Pilar Jiménez-Aleixandre Marta Federico-Agraso 《Research in Science Education》2009,39(3):331-347
We examine the argumentative structure of Hwang et al.’s (2004) paper about human somatic cell nuclear transfer (SCNT, or ‘therapeutic cloning’), contrasted with four Journalistic Reported
Versions (JRV) of it, and with students’ summaries of one JRV. As the evaluation of evidence is one of the critical features
of argumentation (Jiménez-Aleixandre 2008), the analysis focuses on the use of evidence, drawing from instruments to analyze written argumentation (Kelly et al. 2008) and from studies about the structure of empirical research reports (Swales 2001). The objectives are: 1) To examine the use of evidence and the argumentative structure of Hwang et al.’s Science, 303: 1669–1674 (2004) original paper in terms of the criteria: a) pertinence of the evidence presented to the claims; b) sufficiency of the evidence
for the purpose of supporting the claims; and c) coordination of the evidence across epistemic levels. 2) To explore how the
structure of Hwang’s paper translates into the JRV and into university students’ perceptions about the evidence supporting
the claims. The argumentative structure of Hwang’s paper is such that its apparently ostensible main claim about NT constitutes
a justification for a second claim about its therapeutic applications, for which no evidence is offered. However, this second
claim receives prominent treatment in the JRV and in the students’ summaries. Implications for promoting critical reading
in the classroom are discussed. 相似文献
80.
Supporting Teaching and Learning Using Authentic Scientific Texts: A Rejoinder to Danielle J. Ford 总被引:1,自引:1,他引:0
Anat Yarden Hedda Falk Marta Federico-Agraso María Pilar Jiménez-Aleixandre Stephen P. Norris Linda M. Phillips 《Research in Science Education》2009,39(3):391-395
In her commentary Danielle J. Ford mainly focused on three issues that highlight the promises and challenges for the use of
Adapted Primary Literature (APL) in science curricula: the possible contribution of APL to authentic experiences in secondary
schools, implementation issues of APL including the support required for the teachers, and the possibilities to extend the
use of APL to younger and older students. In this rejoinder, we first offer some general comments on Ford’s commentary. Then
we offer more specific comments on two areas of her response, authenticity and the support for teachers. 相似文献