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Consistency of Moderate to Vigorous Physical Activity in Middle School Physical Education

机译：中学体育中剧烈运动的一致性。

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摘要

This study assessed the consistency of moderate to vigorous physical activity (MVPA) in a sample of middle school physical education lessons. Random intercept hierarchical linear regressions were employed to model the relationship between consistency of MVPA and independent variables, including lesson and teacher characteristics. Larger classes spent significantly more time in consistent MVPA in the absence of controlling for teacher characteristics. A significant interaction between class size and teacher experience suggests that experience may play a beneficial role in larger classes, and overall class size does not have to be a barrier to achieving high levels of MVPA.
机译：这项研究评估了中学体育课样本中中度到剧烈体育锻炼（MVPA）的一致性。随机截距分层线性回归用于建模MVPA一致性与自变量（包括课程和教师特征）之间的关系。在没有控制教师特征的情况下，较大的班级在一致的MVPA中花费了更多的时间。班级规模与教师经验之间的重大相互作用表明，经验可以在较大的班级中发挥有益的作用，而总班级规模不一定是实现高水平MVPA的障碍。

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