Health-related fitness knowledge growth in middle school years: Individual- and school-level correlates     

Xihe Zhu  Justin A. Haegele  Haichun Sun 《运动与健康科学(英文)》2020,9(6):664-669

BackgroundHealth-related fitness knowledge (HRFK) has been an essential concept for many health and physical education programs. There has been limited understanding and longitudinal investigation on HRFK growth. This longitudinal study examined HRFK growth and its individual- and school-level correlates in middle school years under 1 curriculum condition: Five for Life.MethodsParticipants were 12,044 students from 47 middle schools. Data were collected at both individual/participant and school/institution levels. Individual-level variables included gender, grade, and HRFK test scores. School-level variables included percentage of students receiving free and reduced meals (FARM), student-to-faculty ratio for physical education, and school academic performance (SAP). We used hierarchical linear modeling to examine HRFK 3-year growth in relation to individual- and school-level correlates.ResultsThe average HRFK score at 6th grade for females was 42.81% ± 1.32%. The predicted HRFK growth was 17.06% ± 1.02% per year, holding other factors constant. A 1-standard deviation increase in FARM correlated with a 14.68%-point decrease in predicted test score (p = 0.02). A 1-standard deviation increase in SAP was associated with an 11.90%-point increase in HRFK score. Males had a significantly lower growth rate than females during the middle school years (0.78%/year, p = 0.02).ConclusionThe result showed that both individual- and school-level variables such as gender, FARM, and SAP influenced HRFK growth. Educators should heed gender differences in growth curves and recognize the correlates of school-level variables.  相似文献   

被子植物精细胞分离和特性研究进展     

朱维红  张妍  崔彬彬 《保定学院学报》2020,(3):114-121

精细胞分离是研究雄性生殖发育的前提之一,近半个世纪以来,人们运用不断更新的生物实验技术,对被子植物精细胞开展了分离及细胞分子特征的研究。分析被子植物精细胞分离方法,总结精细胞二型性与倾向性、细胞融合方面的研究成果,并对其研究意义和前景进行讨论。  相似文献   

对2019年中国电视剧研究的分析与反思     

金丹元  陈莎 《美育学刊》2020,11(2):47-54

2019年正值新中国成立70周年,我国电视剧创作出产了许多革命历史题材和现实主义电视剧佳作,同时网络剧也开始从边缘走向中心,成为观众喜闻乐见的电视剧形式。通过梳理、概括国内重要的学术期刊、报纸和会议论文中关于电视剧研究的文章,并从内容创作、美学价值、类型特点和女性塑造等几个方面进行解读,可以归纳出本年度电视剧研究的热点和焦点,同时也提出了对电视剧研究新动向的一些看法,以期为电视剧研究和创作提供借鉴。  相似文献   

光调控的Shastry-Sutherland格子上电子的体态-边缘态对应     

金玥苏  苏刚 《中国科学院大学学报》2019,36(5):581-589

在Shastry-Sutherland格子上运动的电子具有丰富的性质。利用Floquet 方法证明在上述系统中高频圆偏振光产生包括Dirac fermion，semi-Dirac fermion，quadratic band touch，SO（3）fermion和具有能隙的多种物相。在考虑自旋轨道耦合作用后，发现4种无能隙激发的相之间是拓扑等价的。通过计算纳米带的边缘态，按照体态-边缘态对应原则，发现这4种无能隙激发相在打开能隙之后都变成拓扑绝缘体。此外，还发现semi-Dirac fermion体态的各向异性色散关系和沿不同方向裁剪的纳米带边缘态之间也同样存在体态-边缘态对应。  相似文献   

新时代中国武术深度传播的意义、问题及路径          下载免费PDF全文

金玉柱 《河北体育学院学报》2019,33(6):86-91

挖掘文化内涵，实施深度传播，提升国际认同，是提升国家文化软实力的重要举措。中国武术的深度传播具有彰显“中国精神”、呈现“中国智慧”的意义指向，应坚持文化主体性这一核心，抓住传播与传承两个重点，做好从国际传播走向全球传播、从宣传思维走向故事思维、从分散传播走向主体互动传播三个转换，重视转换性话语、解释性话语、修复性话语、历史性话语四大话语体系的构建。在具体的传播路径上，要处理好传统与现代的融合理路，积极打造合理阐释的讲述模式，但不应全盘否定强制性阐释模式，在“走出去”的基础上更要“走进去”，从“主动去做”转变为“自动去做”，实现中国武术的深度传播。  相似文献   

大学生体质健康测试中运动损伤的调查研究     

朱丽丽  侯毓岭  蒋兰新 《体育科技文献通报》2020,(4):62-63

为了更好地完成《国家学生体质健康标准》的测试工作,本文采用文献资料、逻辑分析、实地考察等方法,对大学生体质健康测试过程中常发生的运动损伤进行了分析,并提出相应的预防措施,为体质健康测试的顺利进行、学生的健康发展、教育主管部门的决策提供了理论依据。  相似文献   

中国古代人治模式及其核心价值思想     

陈顺伟  陶竹 《河池学院学报》2020,40(1):87-93

  相似文献   

新文化建设视角下的农村学校功能探析     

朱润东 《中小学校长》2021,(3):27-29

学校教育作为人类文明传承与发展的重要方式与途径,对青少年个人发展起着至关重要的作用,在引领农村文化建设、促进乡村振兴发展方面发挥着不可替代的作用。为此,应当在审视农村学校功能的基础上,以基础教育课程改革为抓手,促进农村教育来推动农村社区发展;开发农村文化资源以及农村学校服务社区的功能;不断深化农村教育体制改革,推行多元化办学模式;推行城乡教育一体化,促进城乡教育均衡发展。  相似文献   

基于手机媒体的大学生思想政治教育信息化建设研究     

谢厚亮  朱华西  邓卫红 《九江职业技术学院学报》2020,(1):71-73

随着5G网络时代的来临,手机媒体将成为信息化教学的主要载体。建设基于手机媒体的思政教育信息化平台,可以实现思政教育停课不停学,助推思政课教学改革。基于手机媒体的思政教育信息化平台建设,其内容可设置专业知识、新闻热点、交流考核和游戏栏目等四个模块。  相似文献   

Exploring askers’ switching from free to paid social Q&A services: A perspective on the push-pull-mooring framework     

Zhouying Liu  Yuxiang Zhao  Si Chen  Shijie Song  Preben Hansen  Qinghua Zhu 《Information processing & management》2021,58(1):102396

The purpose of this study is to explore the factors that prompt askers to switch from free to paid social question-and-answer (SQA) services. Prior studies have investigated users’ motivations and participation in free and paid SQA services; however, little attention has been paid to askers’ switching behavior. We empirically analyzed the content of qualitative interviews from 64 askers on a well-known SQA platform in China. Based on the push-pull-mooring framework, we identified and classified factors that influenced askers’ to switch from free to paid Q&A services, using the critical incident technique, after which we calculated the entropy weights of the 16 subcategories before and after the switch, using the entropy weight method. The findings suggest that askers’ switching behavior was influenced by push factors (i.e., dissatisfaction with the free SQA service), pull factors (i.e., satisfaction with the paid SQA service), and mooring factors (i.e., social factors, personal factors, situational factors). Moreover, the findings show that the effects of these factors vary significantly before and after a switch. Dissatisfaction with the quality of information from the free SQA service would influence users before a switch, whereas satisfaction with the quality of information from the paid SQA service would influence them after a switch. In terms of mooring factors, the effects of social and personal factors on askers’ switching behavior, especially subjective norms and cognitive lock-in, turn out to be less significant after a switch, whereas the effect of trust is more significant. Besides, the effects of situational factors are more or less the same before and after a switch. To the best of our knowledge, this paper is one of the first attempts to explore factors that affect askers’ switching behavior and to shed light on the managerial strategies of paid SQA services.  相似文献