Exploring Race Consciousness among South Korean College Students through Sport     

Yomee Lee 《Quest (Human Kinetics)》2020,72(3):338-357

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竞渡比赛优化模型     

王新华 《深圳职业技术学院学报》2004,3(2):45-47

建立了竞渡比赛的最优控制模型，给出了最优解的必要条件和教值计算方法。作为特例，回答了2003年全国大学生数学建模竞赛D题所提出的主要问题。  相似文献   

对中长跑训练新动向的探究   总被引：3，自引：0，他引：3  

孙文革 《商丘职业技术学院学报》2005,4(2):79-80

通过文献资料法、统计对比法及本人多年的训练实践，在分析大量有关资料的基础上，根据中长跑训练发展的动向，针对目前中长跑训练中存在的问题，提出了以“速度”为中心，以短补长，以长补短，长短互补，全面发展的训练思路。  相似文献   

弗得伯格模型与我国企业专利竞赛策略   总被引：1，自引：0，他引：1  

高山行  戴荣 《研究与发展管理》2002,14(5):29-33

介绍弗得伯格等人的二阶段专利竞赛模型,并将该模型与后动企业的竞争战略联系起来,提出了后动企业在专利竞赛中可以选择的三种战略,即理性的不战而退战略、进攻性的速战速退战略、防守性的紧跟战略,从而为后动企业参与专利竞赛提供了战略选择的依据。  相似文献   

School psychology graduate education retention research characteristics: Implications for diversity initiatives in the profession     

Sherrie L. Proctor  Courtney Owens 《Psychology in the schools》2019,56(6):1037-1052

Lack of racial and ethnic diversity in the school psychology workforce has been a concern since the profession's inception. One solution is to graduate more racially and ethnically diverse individuals from school psychology programs. This structured review explored the characteristics of studies published from 1994 to 2017 that investigated graduate student retention and school psychology. An electronic search that included specified databases, subject terms, and study inclusion criteria along with a manual search of 10 school psychology journals yielded two published, peer‐reviewed studies focused primarily on graduate student retention and school psychology over the 23‐year span. Two researchers coded the studies using a rigorous coding process with high inter‐rater reliability. Findings suggest that mostly Black and White individuals served as participants, undergraduate students represented the largest group sampled, and key school psychology stakeholders’ views were missing. Additionally, programs interested in retaining racially and ethnically diverse students should have a commitment to multicultural issues, expose students to diverse professional networks and mentorship, and cultivate an inclusive program environment. Implications point to a need for more studies focused on school psychology graduate student retention in general and in specific relation to retaining racial and ethnic minoritized students.  相似文献   

物料跟踪系统在步进式加热炉上的应用     

刘春辉  付春娟  宋凤娟  彭光辉 《唐山学院学报》2011,24(3):34-36

以河北唐银钢铁有限公司棒材、高线两条轧钢生产线的步进式加热炉实现物料跟踪的全过程为例,论述了步进式加热炉物料跟踪的理念、跟踪的实现过程,重点分析了实现加热炉钢坯物料跟踪的方法和影响跟踪过程准确的几个关键要素:包括装钢定位、步距调整、有钢判断、位置跟踪、炉号跟踪等.提出准确是物料跟踪的核心,实现跟踪准确的前提是控制好炉底...  相似文献   

If we build it,will they come? The effect of new athletic facilities on recruiting rankings for power five football and men's basketball programs     

Matt Ryan Huml  N David Pifer  Caitlin Towle  Cheryl R Rode 《Journal of Marketing for HIGHER EDUCATION》2019,29(1):1-18

College athletics is currently in the midst of a building boom in which universities are competing with each other to reach an always-increasing standard of lavish athletic facilities. While these facilities are costing in the tens or hundreds of millions of dollars, little research is examining the return on investment for athletic programs. The purpose of this study was to examine the effect of new athletic facilities on recruiting rankings for Power Five football and men's basketball programs. Data was collected on athletic facilities newly constructed or renovated from 2005 through 2015 at Power Five NCAA Division I programs. Using LSDV fixed effects regression models, results found a lack of significant improvement within football and basketball recruiting rankings following the completion of new athletic facilities, but some significance in the two years before the project was completed. Significant control variables also highlighted the effects that coaching changes can have on recruiting.  相似文献   

不同步行和跑步速度对后足角度和足偏角的影响          下载免费PDF全文

赵滢  陆阿明 《体育科研》2017,(6):93-100

通过进行zebris步态测试和后足角度拍摄，采集和分析速度变化对步行和跑步时后足角度和足偏角的影响，从而科学指导广大健身爱好者进行合理的步行和跑步运动，预防运动损伤。实验结果显示：（1）相较于自身步行偏好速度，采用实验步行设定速度时左右足后足角度均显著增大，左右足足偏角均显著减小（1.33 m/s例外）；（2）实验步行设定速度之间，相较于1.33 m/s速度步行，以1.56 m/s和1.78 m/s步行时左足后足角度显著增大，以1.56 m/s步行时右足足偏角显著减小；（3）相较于自身跑步偏好速度，当以慢于自身跑步偏好速度跑步时，左右足后足角度和足偏角均无显著性差异，而当以快于自身跑步偏好速度跑步时，左右足的足偏角显著减小，后足角度无显著性差异；（4）快于自身跑步偏好速度时比慢于自身跑步速度时左右足的足偏角显著减小（以3.61 m/s跑步时比1.78 m/s跑步时左足后足角度增大）；（5）快于自身跑步偏好速度时，以3.61 m/s跑步时比2.78 m/s跑步时左右足足偏角显著减小。实验结果表明：（1）相较于其他实验设定速度，以自身偏好速度步行时，后足角度较小，足偏角较大，可以有效预防运动损伤；（2）从后足角度和足偏角考虑，当步行速度较快时，保持步长，适当减小足偏角可以减少踝关节损伤。  相似文献   

Within‐High‐School Versus Across‐High‐School Scaling of Admissions Assessments: Implications for Validity and Diversity Effects          下载免费PDF全文

Jack W. Kostal  Paul R. Sackett  Nathan R. Kuncel  Philip T. Walmsley  Melissa S. Stemig 《Educational Measurement》2017,36(1):39-46

Previous research has established that SAT scores and high school grade point average (HSGPA) differ in their predictive power and in the size of mean differences across racial/ethnic groups. However, the SAT is scaled nationally across all test takers while HSGPA is scaled locally within a school. In this study, the researchers propose that this difference in how SAT scores and HSGPA are scaled partially explains differences in validity and subgroup differences. Using a large data set consisting of 170,390 students each of whom matriculated at one of 114 separate colleges, the researchers find that awarding SAT scores by ranking SAT within a high school generally results in substantial reduction in the size of subgroup mean differences for this predictor. However, validity for predicting first‐year GPA is also reduced by a small amount. Conversely, placing HSGPA onto a nationally normed metric through the use of multiple regression procedures results in a moderate increase in the size of subgroup mean differences, while also producing a small increase in validity. Taken together, these findings suggest that differences in predictor scaling can partially explain differences in the size of subgroup mean differences between HSGPA and SAT scores and have implications for predictive power.  相似文献   

Cloning the Blairs: New Labour's programme for the re-socialization of working-class parents     

Sharon Gewirtz 《教育政策杂志》2013,28(4):365-378

In his speech to the Confederation of British Industry (CBI) in July 1999, the UK Secretary of State for Education, David Blunkett, set out New Labour's vision for a system of education in which there is ‘excellence for the many not just the few’. He outlined what is essentially a bi-focal strategy for achieving this vision. The first focus is on the education system itself, the structures and practices that New Labour believes need to be in place if schools and services are going to meet the needs of all children and not just a privileged minority. The second focus is on the need to promote ‘a culture of achievement’, as, according to Blunkett, the vision ‘depends on changing attitudes as well as the system itself’. This paper focuses on this second strategy, more specifically the government's attempts to change the attitudes of parents. It is argued that this strategy aims to eradicate class differences by reconstructing and transforming working-class parents into middle-class ones, that it represents possibly the most important and far-reaching aspect of New Labour's policy agenda, and that it has not so far received the attention it deserves. The paper is in two parts. The first part sets out what is involved in New Labour's programme of re-socialization and explores the mechanisms by which New Labour is attempting to universalize the values, attitudes and behaviour of a certain fraction of middle-class parents. The second part develops a critique of this programme.  相似文献