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Oliver D. Anderson 《Teaching Statistics》1992,14(3):2-5
Within the framework of a two-hour interactive lecture, we explore the related ideas of accuracy and precision in calculation. The aim is to show that numerical data must be understood as numbers in a context. 相似文献
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Wilson CD Anderson CW Heidemann M Merrill JE Merritt BW Richmond G Sibley DF Parker JM 《CBE life sciences education》2006,5(4):323-331
College-level biology courses contain many complex processes that are often taught and learned as detailed narratives. These processes can be better understood by perceiving them as dynamic systems that are governed by common fundamental principles. Conservation of matter is such a principle, and thus tracing matter is an essential step in learning to reason about biological processes. We present here multiple-choice questions that measure students' ability and inclination to trace matter through photosynthesis and cellular respiration. Data associated with each question come from students in a large undergraduate biology course that was undergoing a shift in instructional strategy toward making fundamental principles (such as tracing matter) a central theme. We also present findings from interviews with students in the course. Our data indicate that 1) many students are not using tracing matter as a tool to reason about biological processes, 2) students have particular difficulties tracing matter between systems and have a persistent tendency to interconvert matter and energy, and 3) instructional changes seem to be effective in promoting application of the tracing matter principle. Using these items as diagnostic tools allows instructors to be proactive in addressing students' misconceptions and ineffective reasoning. 相似文献
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I begin with an account of my own observation of an English lesson taught by one of my student teachers using a teaching resource, The Island, that I used myself as a new teacher more than 20 years ago and of my own responses on finding it transformed by two decades of change in educational policy and practice. It has become almost a given in academic articles on English teaching, to refer, in a sentence or two, to the reduction of the English curriculum, the narrowing of pedagogy and the loss of teacher agency due to the dominance of a high stakes assessment regime. The policy changes that have given rise to this change have been clearly analysed elsewhere, but part of my purpose here is just to look again at how it might be experienced by a particular pupil in a particular class. I am interested in analysing some of the features of The Island’s incarnation then and now, from three different angles: as it is inscribed in the project book, as I remember teaching it and as I observed it recently in a London classroom. I draw on theories of literacy and of the teaching of writing in particular in trying to account for some of the differences but beyond that, I argue that it is essential to link such theories to wider political debates about culture and to reflect back from this to the purposes of the English curriculum and culture of the English classroom. 相似文献