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11.
Deborah Ann Fields Yasmin Kafai Tomoko Nakajima Joanna Goode Jane Margolis 《Equity & Excellence in Education》2018,51(1):21-35
Recent discussions of making have focused on developing out-of-school makerspaces and activities to provide more equitable and enriching learning opportunities for youth. Yet school classrooms present a unique opportunity to help broaden access, diversify representation, and deepen participation in making. In turning to classrooms, we want to understand the crucial practices that teachers employ in broadening and deepening access to making. In this article, we investigate two high school teachers' approaches in implementing a novel eight-week, electronic textiles unit within the Exploring Computer Science curriculum, where students designed wearable electronic textile projects with microcontrollers, sensors, and LEDs. We share teachers' emergent practices in transforming their classrooms into makerspaces, including valuing student expertise and promoting connections in personalized work. We discuss the ways these practices succeeded in broadening access to making while deepening participation in computing and establishing home-school connections. 相似文献
12.
Brian E. Clauser Melissa J. Margolis Stephen G. Clyman Linette P. Ross 《Journal of Educational Measurement》1997,34(2):141-161
Performance assessments are typically scored by having experts rate individual performances. The cost associated with using expert raters may represent a serious limitation in many large-scale testing programs. The use of raters may also introduce an additional source of error into the assessment. These limitations have motivated development of automated scoring systems for performance assessments. Preliminary research has shown these systems to have application across a variety of tasks ranging from simple mathematics to architectural problem solving. This study extends research on automated scoring by comparing alternative automated systems for scoring a computer simulation test of physicians'patient management skills; one system uses regression-derived weights for components of the performance, the other uses complex rules to map performances into score levels. The procedures are evaluated by comparing the resulting scores to expert ratings of the same performances. 相似文献
13.
Abstract Schmidt's (1975) schema theory was tested with subjects who had to emit a rapid aiming response while wearing prism glasses. The glasses enabled them to view the target, but not their responding limb or the outcome of the movement. The problem was to determine the effect of (a) training with variable target practice, and (b) experiencing visual displacement information of the target, prior to training, on performance in transfer to a novel target distance. A 2 × 2 (type of practice × displacement information) factorial design was used, in which four groups of 15 male college subjects performed 60 training trials with verbal knowledge of results. The groups with variable target practice had less error on initial transfer to the novel target and throughout transfer than the groups with nonvariable target practice. No evidence was found to indicate that rate of learning for a novel target distance during transfer in the absence of KR is a positive function of the variability of target practice in training. Nor was any effect found for experiencing visual displacement information on performance in transfer. 相似文献
14.
Do special education teachers use IEPs to guide instruction? 总被引:1,自引:0,他引:1
Teachers in a large urban school system were surveyed with a self-administered questionnaire and a modified nominal group technique to assess their views about IEPs and identify impediments to implementing the IEPs of their students. Teachers indicated that they viewed the IEP more as a legal requirement than as an important guide for planning instruction. Frequently they were not involved in the development of their students' IEPs. The article specifies reasons given by teachers for not adhering to their students IEPs and provides recommendations for increasing teacher involvement in IEP preparation. It also presents recommendations for improving instructional conditions and practices which may facilitate IEP implementation. 相似文献
15.
Despite being widely used and frequently studied, the Angoff standard setting procedure has received little attention with respect to an integral part of the process: how judges incorporate examinee performance data in the decision‐making process. Without performance data, subject matter experts have considerable difficulty accurately making the required judgments. Providing data introduces the very real possibility that judges will turn their content‐based judgments into norm‐referenced judgments. This article reports on three Angoff standard setting panels for which some items were randomly assigned to have incorrect performance data. Judges were informed that some of the items were accompanied by inaccurate data, but were not told which items they were. The purpose of the manipulation was to assess the extent to which changing the instructions given to the judges would impact the extent to which they relied on the performance data. The modified instructions resulted in the judges making less use of the performance data than judges participating in recent parallel studies. The relative extent of the change judges made did not appear to be substantially influenced by the accuracy of the data. 相似文献
16.
Organizational performance is highly influenced by how employees envision the future. To date, many scholars have emphasized the importance of an overarching future vision that unites all stakeholders, while acknowledging the presence of divergent perspectives among members. This variety in perspectives may be further complicated in organizations undergoing great stress and where the leadership has not defined and promoted a future vision to guide the content of the images of its members. Little study has explored the various types of future organizational images that exist or the nature of those images. We explore these concerns via a case study of an airline in the midst of a dramatic fight for survival. The findings both confirm the existence of multiple views for the company's future and delineate their general characteristics through a typology of imagery. We conclude with a language to use to differentiate those images for future research and offer practical implications for managing multiple future organizational images to mobilize energy and enhance performance in a more unified direction. 相似文献
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18.
Urban educators often find themselves in conflict with parents of educationally handicapped students over program, placement, services, and day-to-day difficulties. These conflicts often escalate into acrimonious debates, hostile feelings, and formal due process hearings. Fortunately, easily understood strategies exist for constructively and ethically preventing differences between school personnel and parents from becoming embittered and adversarial. This article discusses the dynamics of parental anger, considers parent perceptions and needs, and provides school personnel with both a framework and practical strategies for constructively resolving differences and improving relationships. 相似文献