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ABSTRACTCritical Participatory Action Research (CPAR) requires communicative space to develop shared understandings and decisions. We examine the interactional accomplishment of such a space between a classroom practitioner and an academic researcher when meeting to reflect on a lesson and agree on future action to bring about change in the practitioner’s classroom practice. Conversation analysis of an audio recording of the meeting establishes how advice giving emerged and was managed as a delicate matter that required achieving shared understandings of what actually happened in the lesson, what could have happened, and what should happen in future lessons. Findings provide insights into how participants used reported and hypothetical speech to manage advice and reach agreement, produce and maintain intersubjectivity through interaction, and address epistemic asymmetry related to the differing experiences and roles that they brought to the action research study. Overall, the article contributes understandings of the ways that interactions produce communicative space in CPAR. 相似文献
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The electroviscous flow at low Reynolds number through a two-dimensional slit contraction with electric double-layer overlap is investigated numerically for cases where the permittivity of the wall material is significant in comparison with the permittivity of the liquid. The liquid-solid interface is assumed to have uniform surface-charge density. It is demonstrated that a finite wall permittivity has a marked effect on the distribution of ions in and around the contraction, with a significant build-up of counter-ions observed at the back-step. The development length of the flow increases substantially as the wall permittivity becomes significant, meaning that the electric double-layers require a longer distance to develop within the contraction. Consequently, there is a corresponding decrease in the hydrodynamic and electro-potential resistance caused by the contraction. The effect of wall-region width on the flow characteristics is also quantified, demonstrating that the development length increases with increasing wall-region width for widths up to 5 channel widths. 相似文献
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Counselors, faculty, and student personnel specialists are often unaware that college students are experiencing serious academic or adjustment difficulties until it is too late to rectify the problem. Most universities would benefit from an early warning system that detects at-risk students before performance or social problems jeopardize their college careers. This investigation demonstrated that scores from the Survey of Academic Orientations (SAO) were predictive of first-semester freshmen grades. Subsequent analysis showed that the SAO significantly improved the prediction of grade point averages, after taking the effects of Scholastic Assessment Test scores and high school percentage rank into consideration. The SAO gives educators a new early warning device, a way to identify those undergraduates most at risk of receiving poor grades. The next steps in the research process are to: (1) assess the relationship of SAO scores to other important academic indexes, such as retention and student stress, and (2) determine if furnishing counselors and other college personnel with SAO scores is of therapeutic value. 相似文献
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Susan A. Gelman Megan Martinez Natalie S. Davidson Nicholaus S. Noles 《Child development》2018,89(1):17-26
New technology poses new moral problems for children to consider. We examined whether children deem object tracking with a mobile GPS device to be a property right. In three experiments, 329 children (4–10 years) and adults were asked whether it is acceptable to track the location of either one's own or another person's possessions using a mobile GPS device. Young children, like adults, viewed object tracking as relatively more acceptable for owners than nonowners. However, whereas adults expressed negative evaluations of someone tracking another person's possessions, young children expressed positive evaluations of this behavior. These divergent moral judgments of digital tracking at different ages have profound implications for how concepts of digital privacy develop and for the digital security of children. 相似文献
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Valerie Wilson Heather Malcolm Sheila Edward Julia Davidson 《British Educational Research Journal》2008,34(1):1-17
There is widespread interest in the impact of unauthorised absence on pupil attainment, links with disaffection, exclusion from school and criminality. However, little is heard about what those who take unauthorised absence from school think that the effect has been on them; nor do we hear the voices of other pupils and their teachers. This article presents evidence from a one‐year study of absence in seven local authorities in England funded by the Department for Education and Skills. It defines ‘truancy’, explores some issues from existing literature on pupil non‐attendance, and presents evidence to show the impact that absence from school has on truants, other pupils and teachers. Finally, it suggests that although the greatest impact is on the academic and socio‐psychological development of persistent absentees, the attitudes and learning of other pupils and the workload and morale of teachers are also affected. 相似文献