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441.
English spelling, as well as in many other languages, consists of three elements: morphology, etymology and phonology. Spelling instruction, however, focuses primarily on phonology and there is a dearth of intervention studies that examine the effect of explicitly teaching all three elements to children. We report two studies, which examined 5- to 11-year olds' spelling strategies and the effect of a spelling intervention. The intervention groups, in both studies, significantly outperformed control groups on all spelling measures. The benefits of teaching children about morphology and etymology are discussed. 相似文献
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Igor Guisasola Iain James Ceri Llewellyn Victoria Stiles Sharon Dixon 《Sports Engineering》2009,12(2):99-109
The quasi-static testing of soils used in natural turf pitches yields key parameters in soil modelling, including elastic
moduli, Poisson’s ratio and Mohr–Coulomb parameters for shearing resistance and cohesion in soil. The bulk strength of a Sand
soil used in the construction of elite sports surfaces was found to increase initially and then decrease with increasing water
content due to apparent cohesion effects. For a Clay Loam soil, more common in recreational facilities, shear strength decreased
with water content. Reducing density resulted in a reduction of shear strength and elastic moduli in both soils due to reduced
packing of particles reducing particle–particle contact surface area. The effect of roots on the shear strength of a Sand
soil was not significant but reduced elastic moduli significantly. Horizontal forces measured during running and turning in
a biomechanics laboratory were in good agreement with forces predicted using a simple quasi-static soil model for coarse-grained
(Sand) soils although this was not the case with the Clay Loam soil. 相似文献
445.
Ashley Casey Victoria A. Goodyear Kathleen M. Armour 《Sport, Education and Society》2017,22(2):288-304
This paper seeks to address two key questions: (1) how could a pedagogically driven approach to the use of DigiTech in health and physical education (HPE) benefit young people’s learning and (2) what steps are required to develop new DigiTech pedagogies? The paper is a response to the largely pessimistic views presented in this journal by Gard, Lupton and Williamson about the role of technology in HPE. In this paper, we argue that while we need to be aware of the risks, we also need to explore the opportunities for digital technologies (DigiTech) to shape HPE in new and positive ways. Specifically, we argue that a focus on pedagogy is largely missing from earlier discussions. In mapping the evidence-base on DigiTech against a three-dimensional categorisation of pedagogy – in the form of learners and learning, teachers and teaching, and knowledge and context [Armour, K. M. (Ed.). (2011). Sport pedagogy: An introduction for coaching and teaching sport. Harlow: Prentice Hall] – we are able to demonstrate the value of a pedagogically informed debate on this topic. The paper concludes by arguing for a ‘profession-wide’ debate to co-construct, trial and evaluate new ways in which we should – and should not – use DigiTech to optimise young people’s learning in HPE. 相似文献
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This study assessed unique contributions of learning, study, and test-taking strategies; students' attitudes about college; and ACT scores, and linked them to college GPA and to retention. Although several variables contributed significantly to GPA, only GPA made a significant unique contribution to attrition and retention. This suggests that learning and study strategies and students' college attitudes affect attrition indirectly through GPA. 相似文献
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To evaluate effects of an alternative public school for pregnant teenagers in New Haven, CT, medical and school records were reviewed for a 1-year birth cohort of 230 adolescent mothers. Nearly three-quarters of all school-aged primiparas who were enrolled in the city's public schools when they became pregnant attended the alternative school. Because of summer vacation, however, students who conceived in January through April began attending later in pregnancy than did those who conceived in May through December; these mothers were significantly more likely to deliver a preterm, low-birthweight infant. No such seasonal effects were found for other teenagers in the city who were not enrolled in public school at conception. Positive birth outcomes for early program attenders are similar to those reported for a nurse-home-visitation program. The results suggest that school programs have considerable potential to be an effective service delivery model for providing prenatal intervention to adolescents. 相似文献