161 resultados para Mathematics lessons

em QUB Research Portal - Research Directory and Institutional Repository for Queen's University Belfast


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A pilot study to investigate the effects of mathematics peer tutoring in Irish medium primary schools was undertaken. Five schools and 90 students took part in the pilot. Materials and resources that had previously been shown to work in English medium Scottish schools were translated into Irish by CCEA. Irish medium teachers attended three professional development days. Teachers implemented the peer tutoring techniques during mathematics lessons during a period of 16 weeks. Changes in attainment were measures with an Irish translation of the Scottish Survey of Achievement Mathematics Test. Results were positive. Student attainment was significantly raised during the 16-week implementation period by over one standard deviation. This equated to one-year’s worth of mathematics development during this time period. Results must be treated with caution. No control group was used in the pilot study. However, results are very promising and indicate that reciprocal role peer tutoring may be a useful pedagogy in Irish medium education. Further work would be required to establish this definitively.

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This paper examines how experiences of the sublime are regulated in the war exhibitions of modern museums. Ambivalence is a key feature of the sublime because subjects are forced to negotiate simultaneous feelings of terror and awe in the face of something unrepresentable like war. This paper analyses how war exhibitions dispel ambivalence by resuscitating a Kantian sublime full of resolution, catharsis and transcendence. In this context, potentially destabilising encounters with horrific objects (e.g. guns, bombs, shrapnel) are neutralised by didactic 'Lessons of War' and celebratory narratives of victory. Using examples from the United States Holocaust Memorial Museum, the Imperial War Museum in London and the Smithsonian Institution, this paper illustrates how conventional war exhibitions reproduce a politics of consensus by carefully managing the experience of the sublime.

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We extend the literature on regime-dependent volatility in two ways. First, our microstructural model provides a qualitatively new explanation. Second, we test implications of our model using Europe's recent shift to rigidly fixed rates (EMS to EMU). In the model, shocks to order flow induce more volatility under flexible rates because the elasticity of speculative demand is (endogenously) low, leading to pronounced portfolio-balance effects. New data on FF/DM transactions show that order flow had persistent effects on the exchange rate before EMU parities were announced. After announcement, the FF/DM rate was decoupled from order flow, as the model predicts.