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Grant R. Tomkinson Tetsuhiro Kidokoro Trevor J. Dufner Shingo Noi John S. Fitzgerald Holly M. Brown-Borg 《运动与健康科学(英文)》2021,10(4):462
BackgroundThe 6-minute walking distance (6MWD) is an excellent measure of both functional endurance and health. The primary aim of this study was to estimate temporal trends in 6MWD for older Japanese adults between 1998 and 2017; the secondary aim was to estimate concurrent trends in body size (i.e., height and mass) and self-reported participation in exercise/sport.MethodsAdults aged 65–79 years were included. Annual nationally representative 6MWD data (n = 103,505) for the entire period were obtained from the Japanese Ministry of Education, Culture, Sports, Science and Technology. Temporal trends in means (and relative frequencies) were estimated at the gender–age level by best-fitting sample-weighted linear/polynomial regression models, with national trends estimated by a post-stratified population-weighting procedure. Temporal trends in distributional variability were estimated as the ratio of coefficients of variation.ResultsBetween 1998 and 2017 there was a steady, moderate improvement in mean 6MWD (absolute = 45 m (95% confidence interval (95%CI): 43–47); percent = 8.0% (95%CI: 7.6%–8.4%); effect size = 0.51 (95%CI: 0.48–0.54)). Gender- and age-related temporal differences in means were negligible. Variability in 6MWD declined substantially (ratio of coefficients of variation = 0.89, 95%CI: 0.87–0.92), with declines larger for women compared to men, and for 75–79-year-olds compared to 65–74-year-olds. Correspondingly, there were moderate and negligible increases in mean height and mass, respectively, and negligible increases in the percentage who participated in exercise/sport at least 3 days per week and at least 30 min per session.ConclusionThere has been a steady, moderate improvement in mean 6MWD for older Japanese adults since 1998, which is suggestive of corresponding improvements in both functional endurance and health. The substantial decline in variability indicates that the temporal improvement in mean 6MWD was not uniform across the distribution. Trends in 6MWD are probably influenced by corresponding trends in body size and/or participation in exercise/sport. 相似文献
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Since 1997 appraisal has been a mandated requirement of New Zealand schools. While the management of teacher performance is not new, schools are increasingly being faced with difficult and complex decisions regarding accountability mechanisms for teacher performance. Moreover, in a climate of school self-management the potential exists for tensions between bureaucratic systems and the professional autonomy of teachers to surface. This article reports on research conducted in 2001 that investigated teachers' perceptions of the bureaucratic and professional approaches to performance management in their schools. In a climate of increasing control of teachers' work and professional activities by the State, results from recent research indicate that school managers have adopted a professional approach to the appraisal of staff. Moreover the involvement of teachers in developing school-level appraisal systems is pinpointed as fundamental to the long-term success of appraisal in New Zealand schools. 相似文献
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This qualitative study of three Head Start Centers analyzed surveys, interviews, and focus group data to determine how education coordinators, teachers, and teacher assistants believed professional development activities could support teamwork at their centers. The researchers sorted data related to teamwork into four categories: knowledge and understanding of teachers’ trajectories, how teachers referred to one another, frequency and quality of communication, and evidence of shared philosophy. A climate of trust, respect, open communication and clear organization emerged as important for the risk taking necessary for teachers to learn together. This climate depended on leadership that was willing to take on challenges, innovate, and make room for teacher autonomy. Teamwork thrived in a program that purposely built relationships among staff through opportunities for communication, the development of a shared philosophy, and the possibility of being known and feeling known by colleagues and supervisors. When administrators solicited and used teachers’ feedback about professional development, the teachers felt themselves a valued part of the teaching community. 相似文献
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Hayley Hudson 《考试》2013,(1):6-8
美国马萨诸塞州小男孩詹姆斯做梦都想拥有一套乐高"绿宝石午夜火车"玩具。他用了整整两年时间攒够了钱款,却失望地发现这款玩具已经停卖了,而无论是网上的少量存货还是二手转卖,它们的标价对詹姆斯来说都是天文数字。于是小男孩给乐高玩具写了一封信询问,却得知这款玩具已经停产。让人内心温暖的是,在詹姆斯11岁生日时,他收到了乐高悄悄寄来了这份惊喜。你一定想分享詹姆斯的快乐,小男孩脸上欢呼雀跃的表情,是不是也让你感动呢?这让我不禁联想起同样让人内心温暖的一个小女孩。当得知妈妈吃光了她的万圣节糖果时,小女孩红着眼眶,挤出笑容安慰妈妈说:妈妈我不生你的气,我只是有点伤心……吃那么多糖果会让你头痛,你应该多喝水……下一个万圣节我就不会伤心了,但你不能没有跟我商量就吃掉我的糖果,明年我们一起分享好吗?其实这只是父母们的一个万圣节恶作剧,还有很多小朋友也得到了同样的"噩耗",孩子们天真的各种抓狂让人捧腹,还有小女孩的"next Halloween we can share my candy"让人感动。我相信小女孩长大后,她如果听说有个小朋友特别渴望得到心中的"乐高",她也一定会帮助实现。瞧,正能量就是这样传播和积聚的。 相似文献