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相关概念视频

Factors Affecting Activity Coefficient01:17

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The extended Debye-Hückel equation indicates that the activity coefficient of an ion in an aqueous solution at 25°C depends on three partially interdependent properties: the ionic strength of the solution, the charge of the ion, and the ion size. 
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Multiple regression assesses a linear relationship between one response or dependent variable and two or more independent variables. It has many practical applications.
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相关实验视频

Updated: Jan 13, 2026

Project-Based Learning Guidelines for Health Sciences Students: An Analysis with Data Mining and Qualitative Techniques
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使用协会规则挖矿探索体育,运动和体育活动参与模式.

Sang-Eun Oh1, Sian Lee1, Minsoo Kang1

  • 1The University of Mississippi, University, MS, USA.

Journal of physical activity & health
|October 28, 2025
PubMed
概括

COVID-19大流行改变了体育,运动和体育活动 (SEPA) 的参与,活动的共同发生模式在人口统计学中发生了重大变化. 需要灵活的多活动策略来适应这些变化.

科学领域:

  • 公共卫生 公共卫生
  • 运动科学 运动科学 运动科学
  • 体育社会学运动的社会学.

背景情况:

  • COVID-19大流行严重影响了体育,运动和体育活动 (SEPA) 环境和参与.
  • 有限的研究已经探索了SEPA活动同时发生的模式如何在不同的人口群体在此期间演变.

研究的目的:

  • 在COVID-19大流行之前,期间和之后调查SEPA参与模式的变化.
  • 具体确定基于性别和年龄组的SEPA共发生模式的变化.

主要方法:

  • 利用来自韩国国家体育调查 (2019年,2021年,2023年) 的数据,其中N=6609名参与者.
  • 用Apriori算法挖掘员工协会规则,以分析参与两个或两个以上SEPA类型的个人之间的共同参与模式.
  • 应用了特定的过门 (支持≥0.01,信心≥0.50,提升≥1.00) 来识别显著的模式.

主要成果:

  • 在SEPA的同时出现的模式显示,在流行病前,流行病前和流行病后的各个阶段都发生了重大变化.
  • 疫情前:团队体育 (篮球,足球/足球) 和游泳的强烈同时出现. 流行病:增加了步行,徒步旅行和体操的参与.
  • 人口差异出现:男性喜欢充满活力/有竞争力的活动,女性喜欢容易获得/低影响的活动. 年轻的成年人转向个人活动,而年长的成年人则保持着围绕步行,体操和门球的稳定模式.
关键词:
在 COVID-19 疫情中,共参与模式共参与模式参与多项活动的承诺.

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结论:

  • 由于COVID-19的流行,SEPA的共同发生模式发生了重大变化.
  • 调查结果强调了在SEPA推广中需要适应性,多活动的方法,考虑到人口变化和环境变化.