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51.
Rafael Martínez-Planell Ana Carmen Gonzalez Gladys DiCristina Vanessa Acevedo 《Educational Studies in Mathematics》2012,81(2):235-249
This is a report of a study of students’ understanding of infinite series. It has a three-fold purpose: to show that students may construct two essentially different notions of infinite series, to show that one of the constructions is particularly difficult for students, and to examine the way in which these two different constructions may be built so that we may uncover ways to help students improve their understanding. The theoretical framework consists of action–process–object–schema theory and the specific model of conceptions in Balacheff’s theory of conception, knowing, and concept. Approaching the problem from these two different theoretical perspectives allows us to provide different and at the same time complementary explanations of observed phenomena. The two different infinite series constructions are, briefly stated, series as an infinite unending process of addition and series as a sequence of partial sums. Students are found to have difficulty building an understanding of series as a sequence of partial sums and thus tend to have difficulty in problem situations that require this interpretation. The study uses semi-structured interviews with 10 graduate students. The interviews explore situations that might give insight into students’ notion of the sequence of partial sums. 相似文献
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Carmen D. Stavrositu 《Mass Communication and Society》2014,17(1):148-171
The purpose of this article was to explore the cultivation effects of television viewing on meritocratic belief systems (particularly, system justification) and ultimately on perceived life satisfaction. Results of a cross-sectional survey (N = 276) reveal that genre-specific TV viewing cultivates system-justifying beliefs. More specifically, findings suggest that heavy viewing of competition-based reality TV viewing shapes viewers' economic system-justifying beliefs (i.e., the belief that the economic system is fair and legitimate, rewarding those who put in the effort and hard work). Economic system justifying beliefs, in turn, were shown to enhance viewers' perceived life satisfaction. 相似文献
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Planning contains so much more than the written plan. Early in 2000, an invitation came from the Collaborative Action Research Network (CARN), to people experienced in action research who might want to help plan and present an action research event for elementary school science teachers in Venezuela, South America, in Autumn 2000. This article analyses the outcomes from planning and enacting the resulting workshop to show how planning can be the subject of action research. It goes on to show how planning and teaching interact in a multifaceted way towards technical, practical and emancipatory ends. Planning and teaching are best seen as conversation, a conversation that is both synchronous and asynchronous. 相似文献
55.
Carmen Gómez Granell 《Infancia y Aprendizaje》2013,36(15):109-119
ResumenEn este trabajo se aborda el estudio de los procedimientos y estrategias desarrollados por los niños para solucionar situaciones problemáticas relacionadas con la multiplicación aritmética. El análisis de dichos procedimientos nos muestra cómo dicha noción comporta un nivel de mayor complejidad que la adición, lo que es necesario tener en cuenta en el momento de enseñarla. 相似文献
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Carmen Aina 《Higher Education》2013,65(4):437-456
Using longitudinal data drawn from the European Community Household Panel, this paper examines Italian university entry and dropout rates in the context of specific parental and family characteristics. We are interested in the effects of the household’s cultural and financial conditions on shaping investment in tertiary education and its failure, at the national level. Our estimates confirm the persistence of intergenerational correlations related to education. Cultural constraints affect outcomes—enrolment in and withdrawal from tertiary education; low income negatively affects the transition from high school to college. Our results suggest that a comprehensive policy intervention is needed to ensure optimal human capital investment. 相似文献
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Carmen Marta-Lazo Divina Frau-Meigs Sara Osuna-Acedo 《Interactive Learning Environments》2019,27(1):33-45
This research reviews the formative model of the sMOOCs (social MOOC) characterized by the interaction and the implication of the participants who, relying on collective intelligence, look for the co-creation of knowledge in every educational action. The fieldwork focuses on the analysis of the “Step by Step” sMOOC of ECO Project (the second and third editions), that aims at the training of e-teachers and the transfer of learning to the professional field. The research methodology is mixed, with quantitative and qualitative techniques: it uses a semi-structured questionnaire, in order to compare possible bivariate correlations between the different variables; it conducts a content analysis of the fragments of messages written by the participants in the forums of the course. One of the most significant conclusions is the high degree of satisfaction of the participants with regard to the value of the course for their professional life. This form of transfer of the learning process leads to the proposal of a new modality for MOOCs, the tMOOC as “transferMOOC”. 相似文献
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Maria Ranieri Mario Giampaolo Isabella Bruni 《British journal of educational technology : journal of the Council for Educational Technology》2019,50(4):1673-1686
In recent years the concept of learning ecology has been interpreted in different ways to highlight its potential for learning and professional development. However, there are several aspects that still deserve to be understood such as, eg, the role that the different contexts come to play within a learning ecology. For this purpose, this paper presents and discusses the results of a study exploring the learning ecologies of educators in a blended programme delivered in higher education. The participants in the study were 85 professionals in the field of education aged between 28 and 58 years. The research design adopted here can be defined as a convergent mixed method where both quantitative and qualitative data were collected through an e-portfolio. The study found that educators in the sample had different postures, of whom some more aware of their professional roles or Self than others. Moreover, different professional identities seemed to be linked to different learning ecologies, where elements like formal or informal education, cultural artefacts, personal experiences, colleagues or work experiences played a different role. Formal education emerged as having a questionable function, while colleagues came up as a crucial resource. 相似文献
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