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Group Design

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The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
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Calculating Heart Rate Variability from ECG Data from Youth with Cerebral Palsy During Active Video Game Sessions
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针对典型发育儿童的基于YouTube的炼计划的质量分析:内容分析

Juntaek Hong1, Yerim Do1, Dong-Wook Rha1

  • 1Department and Research Institute of Rehabilitation Medicine, Yonsei University College of Medicine, Seoul 03722, Republic of Korea.

Healthcare (Basel, Switzerland)
|March 13, 2025
PubMed
概括

针对儿童的YouTube运动视频通常缺乏基本的节目元素和质量,尽管内容质量适度. 人气并不意味着儿童体育活动计划的有效性.

关键词:
在YouTube上播放视频.孩子孩子孩子孩子孩子孩子运动计划 运动计划 运动计划可用性可用性可用性视频质量 视频质量

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科学领域:

  • 儿科运动科学 儿科运动科学
  • 数字健康干预措施 数字健康干预措施
  • 媒体研究 媒体研究

背景情况:

  • 儿童体育活动至关重要,但在全球范围内正在下降.
  • 随着COVID-19大流行,儿童在家里炼和使用YouTube的频率有所增加.
  • 评估在线运动教育的质量至关重要.

研究的目的:

  • 质量评估基于YouTube的儿童运动教育计划.
  • 评估视频内容和炼计划的有效性.
  • 为了确定视频特征和节目质量之间的相关性.

主要方法:

  • 基于Python的YouTube数据抓取 (2023年11月) 使用儿童练习关键字.
  • 排除无关,非英语,过时或时间不合适的视频.
  • 使用已建立的指标 (m-DISCERN,GQS等) 进行定性分析. 和相关性分析.

主要成果:

  • 在2936个视频中,有126个视频符合标准,10%来自卫生专业人员.
  • 视频主要包括有氧和肌肉强化炼.
  • 视频内容质量中等至高,但很少符合有效的炼计划标准 (例如,监督,剂量).

结论:

  • 对于儿童而言,YouTube的运动内容往往是不充分的,并且与受欢迎程度无关.
  • 视频质量评估工具不足以评估炼计划的质量.
  • 需要进一步开发有效的,高质量的在线运动资源,为年轻人.