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This study examined the roles of school climate, teacher expectations, and instructional practices in one elementary school in South Carolina (USA) that produced effective achievement outcomes with poor and minority students. Survey data, teacher interviews, and classroom videotaping was used to identify school characteristics and instructional behaviors of six teachers nominated by colleagues as exemplary. The school was characterized by an emphasis on high student expectations, school staff cohesiveness, engaging instruction, high parent involvement, and multicultural instruction integrated with curriculum. The practices identified are consistent with literature on effective American schools; and the practices are key aspects of the sound instruction of poor and minority children. Teachers stated that teacher education programs did not prepare them to teach these students and that they had to learn this on the job.  相似文献   
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ABSTRACT

An essay's motive or research problem consists of the rhetorical moves illuminating why that essay matters—what puzzling elements of a primary source it resolves, which contradictions in the data it explains, or what gaps in the literature it fills. This article invites college instructors to dedicate some of their classroom time to teaching students how to construct original, motive-driven arguments. More specifically, the article describes the conceptual triangle technique that uses a simple three-point concept map as the first step in active argument building. This technique is simple and flexible enough to be adapted across subject areas, data, and disciplines. The focus on scholarly motive in general and the use of the conceptual triangle in particular can be effective ways to help academic writers at all levels to develop original arguments that matter.  相似文献   
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The aim of this study was to carry out a statistical analysis of the Banister model to verify how useful it is in monitoring the training programmes of elite swimmers. The accuracy, the ill-conditioning and the stability of this model were thus investigated. The training loads of nine elite swimmers, measured over one season, were related to performances with the Banister model. First, to assess accuracy, the 95% bootstrap confidence interval (95% CI) of parameter estimates and modelled performances were calculated. Second, to study ill-conditioning, the correlation matrix of parameter estimates was computed. Finally, to analyse stability, iterative computation was performed with the same data but minus one performance, chosen at random. Performances were related to training loads for all participants (R(2) = 0.79 +/- 0.13, P < 0.05) and the estimation procedure seemed to be stable. Nevertheless, the range of 95% CI values of the most useful parameters for monitoring training was wide: t(a) = 38 (17, 59), t(f) = 19 (6, 32), t(n) = 19 (7, 35), t(g) = 43 (25, 61). Furthermore, some parameters were highly correlated, making their interpretation worthless. We suggest possible ways to deal with these problems and review alternative methods to model the training-performance relationships.  相似文献   
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