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Alice Hansen Manolis Mavrikis Eirini Geraniou 《Journal of Mathematics Teacher Education》2016,19(2-3):205-226
This study explores the impact that co-designing a virtual manipulative, Fractions Lab, had on teachers’ professional development. Tapping into an existing community of practice of mathematics specialist teachers, the study identifies how a cooperative enquiry approach utilising workshops and school-based visits challenged 23 competent primary school teachers’ technological, pedagogical and content knowledge of fraction equivalence, addition and subtraction. Verbal and written data from the workshops alongside observations and interviews from the school visits were analysed using the technological, pedagogical and content knowledge (TPACK) framework. The findings show that the assumptions of even experienced teachers were challenged when Fractions Lab was shared as an artefact on which they were asked to co-design and subsequently interact with, using it in subsequent phases of the cooperative inquiry process. Two original aspects of successful co-design of virtual manipulatives through communities of practice are identified and offered to others: (1) careful bootstrapping of the first design iteration that gathers intelligence about the content area and the technological affordances and constraints available; and (2) involvement of highly motivated teachers who perceive themselves as agents of change in the domain area. 相似文献
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Content-based filtering can be deployed for personalised information dissemination on the web, but this is a possibility that has been largely ignored. Nowadays, there are no successful content-based filtering applications available online. Nootropia is an immune-inspired user profiling model for content-based filtering. It has the advantageous property to be able to represent a user’s multiple interests and adapt to a variety of changes in them. In this paper we describe our early efforts to develop real world personalisation services based on Nootropia. We present, the architecture, implementation, usage and evaluation of the personalised news and paper aggregator, which aggregates news and papers that are relevant to an individual’s interests. Our user study shows that Nootropia can effectively learn a user’s interests and identify relevant information. It also indicates that information filtering is a complicated task with many factors affecting its successful application in a real situation. 相似文献
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School context—institutional, community, national socio-cultural, economic and political—plays an important role in developing the characteristics of a learning organisation. In the last decade, the discussion on the school as a learning organisation (SLO) has emerged in Greece which is characterised by a centralised and highly bureaucratised educational system. However, there is a gap in studying SLOs nationwide in Greece and more importantly in using a valid and tested instrument related specifically to schools. The aim of this study was to examine the validity of the School as Learning Organisations Survey, based on Integrated Model of the School as Learning Organisation, used in a large scale nationwide SLO study in the Greek context and investigate whether two key antecedents, school size and school geographic location, are related to the level of schools' operating as learning organisations (LOs). A quantitative research was conducted in 418 primary schools throughout Greece. Findings showed that the Schools as Learning Organisations scale in the Greek context consisted of six dimensions and 65 items that loaded on these dimensions. Furthermore, “school size” is related to the transformation of schools into LOs. On the contrary, there seems to be no association between school geographic location and the operation of Greek schools as LOs. 相似文献
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