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The research on the outcomes of school desegregation has been generally disappointing. This paper briefly reviews the historical role of social science in desegregation, and reviews some of the current research on cooperative learning in the desegregated classroom. A comprehensive role for the school psychologist is outlined, in which goals and subgoals, means for achieving them, and anticipated outcomes are clearly delineated. It is proposed that implementation of this role would lead to a much more positive school desegregation experience for all students.  相似文献   
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This study examined the effect of diamond deloading tape on medial gastrocnemius (MG) muscle behaviour during exercise in healthy adults (n = 27). A randomised cross-over trial assessed the effect of tape (no-tape, sham-tape and deload-tape) on ankle and MG fascicle kinematics during three heel raise-lower exercises [double leg (DL), single leg (SL) and loaded single leg (LSL)]. There was no effect of tape on standing fascicle length (FL) or pennation angle (PA), or ankle or knee joint angle. There was a significant effect of tape on ankle kinematics for all exercises. Both the deload-tape and sham-tape resulted in less ankle plantar flexion but had no effect on dorsiflexion. There was a significant effect of tape on FL change for the SL and LSL exercise. Compared to no-tape, the deload-tape resulted in less fascicle shortening during ankle plantar flexion, and more fascicle lengthening during ankle dorsiflexion. For the LSL exercise, deload-tape caused MG fascicles to operate at longer lengths, for a given joint angle. Diamond taping, with or without added tension, has only a small effect on ankle and MG fascicle kinematics during the heel raise-lower exercise. With the exception of the LSL exercise, both tape conditions resulted in similar changes in the FL-angle relations.  相似文献   
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Bodily knowledge has attracted significant attention within the humanities and other related fields over the last two decades. Although theoretical discussion on bodily knowledge in the context of physical education has been active over the past 10 years, these discussions lack clear conceptual analyses of bodily knowledge. Using a phenomenological approach, the purpose of this paper is to clarify the notion of bodily knowledge, furthering epistemological discussions of the topic within reflective, embodied practices. Instead of seeing bodily knowledge inherently connected to the acquisition of motor skills or improving physical fitness, we will discuss physical training as a reflective, embodied process that can turn sensuous information about the moving body into knowledge. Using outdoor running as an example, we describe the process of forming bodily knowledge, which includes: (1) the exploring and identifying of movement qualities, (2) developing capabilities of registering changes in the body and (3) directing and modifying one's own training processes based on bodily findings. Contextualizing this epistemological discussion with adults’ recreational physical activity, this paper argues that bodily knowledge can cultivate individuals to trust their own body awareness and embodied responses to take more responsibility for their own physical exercise. When biomedical knowledge of the body in sport sciences tends to shrink the body to physiological attributes, such as muscle mass and fat percentage, our analysis stresses the agency of the lived body as a source of knowledge in physical activity.  相似文献   
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Objectives:Systematic reviews and meta-analyses (SRs/MAs) are designed to be rigorous research methodologies that synthesize information and inform practice. An increase in their publication runs parallel to quality concerns and a movement toward standards to improve reporting and methodology. With the goal of informing the guidance librarians provide to SR/MA teams, this study assesses online journal author guidelines from an institutional sample to determine whether these author guidelines address SR/MA methodological quality.Methods:A Web of Science Core Collection (Clarivate) search identified SRs/MAs published in 2014–2019 by authors affiliated with a single institution. The AMSTAR 2 checklist was used to develop an assessment tool of closed questions specific to measures for SR/MA methodological quality in author guidelines, with questions added about author guidelines in general. Multiple reviewers completed the assessment.Results:The author guidelines of 141 journals were evaluated. Less than 20% addressed at least one of the assessed measures specific to SR/MA methodological quality. There was wide variation in author guidelines between journals from the same publisher apart from the American Medical Association, which consistently offered in-depth author guidelines. Normalized Eigenfactor and Article Influence Scores did not indicate author guideline breadth.Conclusions:Most author guidelines in the institutional sample did not address SR/MA methodological quality. When consulting with teams embarking on SRs/MAs, librarians should not expect author guidelines to provide details about the requirements of the target journals. Librarians should advise teams to follow established SR/MA standards, contact journal staff, and review SRs/MAs previously published in the journal.  相似文献   
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Educational technology research and development - Multi-touch interfaces allow for direct and simultaneous input by several co-present learners and afford hands-on learning experiences. Additional...  相似文献   
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ABSTRACT

Para Va’a is a new Paralympic sport in which athletes with trunk and/or leg impairment compete over 200 m. The purpose of this study was to examine the impact of impairment on kinematic and kinetic variables during Va’a ergometer paddling. Ten able-bodied and 44 Para Va’a athletes with impairments affecting: trunk and legs (TL), legs bilaterally (BL) or leg unilaterally (UL) participated. Differences in stroke frequency, mean paddling force, and joint angles and correlation of the joint angles with paddling force were examined. Able-bodied demonstrated significantly greater paddling force as well as knee and ankle flexion ranges of movement (ROM) on the top hand paddling side compared to TL, BL and UL. Able-bodied, BL and UL demonstrated greater paddling force and trunk flexion compared to TL, and UL demonstrated larger bottom hand paddling side knee and ankle flexion ROM compared to BL. Significant positive correlations were observed for both male and female athletes between paddling force and all trunk flexion angles and ROM in the trunk and pelvis rotation and bottom hand paddling side hip, knee and ankle flexion. The results of this study are important for creating an evidence-based classification system for Para Va’a.  相似文献   
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Given the emerging interest in institutional positioning and to augment the small number of empirical studies in this field, this paper presents discussion about how Finnish universities of applied sciences implement their profiling strategies. The analysis is based on an examination of documents recently submitted by these institutions when reapplying for operating licences. The paper discusses how institutions refer to their positioning statements when introducing or responding to changes in their internal or external environments and questions whether or not positioning paves the way to strategic actorhood. The results suggest that the universities of applied sciences that most often refer to profiling statements have built different kinds of networks to support their positioning activities. Moreover, they have made considerable structural changes to implement their positioning strategies. The restructuring of human resource capacity required to execute the positioning strategy is discussed in the reapplication documents, albeit with a lesser emphasis.  相似文献   
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This article presents a novel spatio-temporal framework for studying knowledge creation. To achieve this, we analyzed the recent literature on space, time and knowledge and conducted an empirical study. The intensive case was about four international distinguished university research groups in Finland in the fields of technology and science. Object, communicative and cognitive spaces with linear and relational times were used as tools for empirical analysis. Combinations of space and time bring out different aspects of knowledge. Knowledge processes of progressing knowledge (time-space), creating distinguished knowledge (space-time), and path-taking and bundling knowledge (spacetime) bind spaces and times closely together. Besides academy, the spatio-temporal framework can be applied to study the knowledge creation processes in art, business and local communities, for example.  相似文献   
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