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31.
Research and theory concerning the value of play for children's development as well as current factors reducing the amount of play time that children experience are discussed. To ascertain play opportunities occurring in the schools, teachers' attitudes toward play, and provision of play for children in grades 1–6 were surveyed. The amount of recess time provided ranged from 0 to 65 min., with a mean of almost 19 min. Findings indicated that teachers from rural areas provided more play time than teachers from suburban areas, who in turn provided more play time than teachers in urban areas. Further, the amount of play time provided was influenced by the teachers' attitudes. That is, teachers who indicated generally positive attitudes toward play tended to allot more time for play in school. However, teachers from upper grade levels, who were more likely to perceive greater pressure to provide highly structured academic instructional programs, tended to de-emphasize the role and value of play and in turn allotted less time for play in school. The results of the present investigation demonstrate that children who are given less recess time are also likely to have teachers who report less positive attitudes toward play. It is recommended that school psychologists be aware of the adverse impact that restricted play opportunities may have on children's development. © 1996 John Wiley & Sons, Inc.  相似文献   
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The purpose of this study was to examine the factorial invariance of the Abbreviated Neighborhood Environment Walkability Scale (NEWS-A) across subgroups based on demographic, health-related, behavioral, and environmental characteristics among Nurses’ Health Study participants (N = 2,919; age M = 73.0, SD = 6.9 years) living in California, Massachusetts, and Pennsylvania. A series of multigroup confirmatory factor analyses were conducted to evaluate increasingly restrictive hypotheses of factorial invariance. Factorial invariance was supported across age, walking limitations, and neighborhood walking. Only partial scalar invariance was supported across state residence and neighborhood population density. This evidence provides support for using the NEWS-A with older women of different ages, who have different degrees of walking limitations, and who engage in different amounts of neighborhood walking. Partial scalar invariance suggests that researchers should be cautious when using the NEWS-A to compare older adults living in different states and neighborhoods with different levels of population density.  相似文献   
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Purpose: To conduct a systematic review of the evidence regarding the efficacy of exercise training in the management of cystic fibrosis (CF).Methods: Articles were found by searching PEDRO, MEDLINE, and CINAHL databases. Included articles involved exercise-related interventions for long-term adaptations (ie, not acute effects of exercise). Articles were excluded if the language was other than English or if other non-exercise interventions were used. Date of publication was not a factor for exclusion. Two independent reviewers evaluated the included articles using Sackett''s levels of evidence and select scoring criteria.Results: Twelve articles were eligible for inclusion. Interventions studied included various aspects of exercise training: anaerobic, aerobic, or resistance training. Study end-points included pulmonary function, aerobic capacity, strength, and health-related quality of life (HRQL).Conclusions: Exercise training in individuals with CF is beneficial, with aerobic and resistance training having the greatest support in the literature for improved aerobic capacity and strength, respectively. Exercise training does not appear to have an effect of improving pulmonary function, but may have a preservation effect. Strong conclusions about improvement in HQRL from exercise training cannot be made. However, greater consistency in measuring this outcome is needed in future trials. There is a paucity of evidence regarding the role of exercise training in reducing hospitalization and health care utilization, and questions raised by this review should be considered in the design of future trials.Key Words: cystic fibrosis, aerobic exercise, review  相似文献   
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Abstract

While at first unintentional, the author’s path to becoming a sport historian has incorporated her academic trajectory of sport and German/European history along with working in the sport industry. These experiences have benefited both her scholarly research and her teaching and experiential learning opportunities for students in sport management programs.  相似文献   
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Abstract

Following the series of Presidential Forum conversation pieces instigated by Kevin Wamsley on the NASSH website, this piece places the context of the collection of comments and criticisms by 29 contributors to this special issue on sport historians reflecting on the field of sport history.  相似文献   
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Studies show that supply chain integration (SCI) is important to organizations. This article describes an activity that places students in the middle of an SCI scenario. The highly interactive hands‐on simulation requires only 50 to 60 minutes of classroom time, may be used with 18 to about 36 students, and involves minimal instructor preparation. Through the activity, students learn the basics of SCI and then analyze an SCI event to better appreciate the need for collaboration and information sharing. In courses that address supply chain management, instructors can use the activity early in the semester to introduce students to the complexities of supply chain networks. Alternatively, instructors may use the simulation later to provoke a more nuanced discussion.  相似文献   
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In this paper we question whether the radical change in the life situation of people with learning difficulties triggered by the closure of long‐stay hospitals does in fact represent an adequate inclusion into civil society or whether people with learning difficulties continue to experience strong exclusionary tendencies. We will explore the implications of a range of contemporary social justice theories for people with learning difficulties and examine the justice inherent in arrangements for training people with learning difficulties made by Local Enterprise Companies (LECs). We argue that training may be seen as a crucible of social values since its distribution transmits powerful messages about who is considered salvageable or unsalvageable, who is likely to become economically active and who is to be consigned to some special status of otherness. Finally, we consider what conceptualizations of social justice might hold out most hope for people with learning difficulties.  相似文献   
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