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Journal of Science Education and Technology - An assumption is often made that STEM shortages can be remedied by either increasing the number of STEM graduates or...  相似文献   

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‘With the NLS—they can see how everything is important if we want our English to be good and it's helped me to see it that way too. Before, we just used to see it all separately. This way is much better' (Rebecca Graham, Year 4 English specialist after Final Block Placement). This quote was collected in the final stage of a study involving student teachers, four years after the National Literacy Strategy (NLS) was implemented. In this article I argue that this data shows it is possible (but by no means guaranteed) for student teachers to learn to use the NLS framework in a flexible, responsive, child‐centred way that links to a broader and deeper understanding of English. The quote contrasts with data taken in earlier stages of the study (and published in this journal: Twiselton, 2000 Twiselton, S. 2000. Seeing the wood for the trees: the national literacy strategy and initial teacher education; pedagogical content knowledge and the structure of subjects,. Cambridge Journal of Education, 30(3): 391403. [Taylor & Francis Online] [Google Scholar]), which suggested that the NLS appeared to have led student teachers to a very restricted view of English. I argued earlier that it was possible that this might be a temporary ‘stalling’ to be compensated at a later time. In this article I review and explore the later data and argue for the importance of helping student teachers to develop broad and deep frameworks of understanding to underpin their knowledge of the curriculum.  相似文献   

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This special issue explores the use of learning profiles for analysing the dynamics of low learning in low- and middle-income countries and informing priorities to address the learning crisis. The 12 papers in the special issue draw on learning data from more than 50 countries and 6 million individuals, with implications for education policy and practice. Taken together, they point to a need to steepen learning trajectories by prioritizing early mastery of foundational skills for all children. The papers show that addressing the learning crisis will not be achieved through more school grade attainment alone, nor through within-country equality across groups (such as girls and boys or rich and poor). Positive examples show that programs focused on foundational learning both improved average learning and reduced inequality. Addressing the learning crisis will require a focus on systems improvement, using foundational learning as a case in point for making the needed systems improvements to steepen learning throughout children’s time in school. Learning profiles can provide a guide for education actors aiming to improve learning outcomes.  相似文献   

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Concerns persist regarding science classroom learning environments and the lack of development of students’ metacognition and reasoning processes within such environments. Means of shaping learning environments so that students are encouraged to develop their metacognition are required in order to enhance students’ reasoning and learning. Interventions should account for the nature of the subject material to be learned. This study employed a mixed-methods approach to investigate the efforts of university researchers and a classroom teacher to change the learning environment of a year 11 chemistry classroom. Changes in participants’ perceptions of their learning environment and corresponding changes in their metacognition and associated reasoning are documented. The teacher’s use of language that explicitly targeted students’ metacognitive knowledge altered their metacognition. Students reported changes in their learning environment and an increased awareness of how they considered chemistry might be learned. Classroom environment instruments can act as reliable indicators for monitoring changes in psychosocial dimensions of classroom environments that can be directly related to students’ metacognition.  相似文献   

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《学校用计算机》2013,30(3):33-36
No abstract available for this article.  相似文献   

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The advantages of a rule assessment approach to the interpretation of achievement test results have been demonstrated using an S-P chart with coded error types. The problems of similar total test scores resulting from completely different misapprehensions, as well as correct answers resulting from incorrect rules of operation, were addressed using a simulated data-set.Although the overall quality of the test used here as measured by conventional psychometric indices proved satisfactory, it was shown that the traditional interpretation, which refers to total test scores, can be misleading, especially when adaptive remediation is sought. It is well known in medical sciences that a disease has several symptoms yet several diseases can share the same symptoms (i.e. high fever). Consequently, no responsible physician would prescribe the same medicine for two patients suffering from different diseases just because they both share high fever as one of their symptoms. Similarly, when two students with different misapprehensions get the same total test score, should the teacher prescribe the same remediation for correcting their misapprehension?Although the method for diagnostic test construction was out of the scope of this paper, it should be noted that test design is a crucial matter which eventually determines the quality of the diagnosis. One has to, therefore, carefully choose the items for the diagnosis in order to maximize the information about the rules of operation underlying the students' responses. A task specification chart (Birenbaum & Shaw, 1985) may serve as a useful tool in the process of test construction. As was illustrated in the chart, when an item yields the same results as a result of various “bugs”, its contribution to rule assessment is in question.Although in reality test results are contaminated by noise resulting from careless errors or strategy changes during the test, the overall identification rate achieved by diagnostic tests ranges between 70%–80% (Tatsuoka, 1984). Similarly, current AI diagnostic systems such as DEBUGGY and DPF are reported as being capable of identifying 80%–90% of student errors (VanLehn, 1981; Ohlesson & Langley, 1985). It seems that such a rate justifies the tedious work involved in constructing a diagnostic tool.  相似文献   

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Abstract

American society is in the midst of profound economic and demographic changes. At the same time that the racial and ethnic composition of American society is changing, disparities in income and wealth have grown wider and more pronounced than ever before. This article explores the ways in which race is implicated in the widening gaps in wealth and opportunity, and how these inequities impact educational achievement.  相似文献   

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