University of the Pacific.
J Appl Behav Anal. 2014 Summer;47(2):219-30. doi: 10.1002/jaba.127. Epub 2014 Apr 25.
Inadequate physical activity increases the risks related to several health problems in children; however, increasing physical activity mitigates these risks. In this study, we examined the relations between moderate-to-vigorous physical activity (MVPA) and several environmental conditions (attention, interactive play, alone, escape) with 4 preschool children. We compared the experimental conditions to a control condition and a naturalistic baseline according to a combined multielement and reversal design. Results indicated that all participants were most active in the interactive play condition and that the percentage of MVPA varied across experimental and control conditions. In addition, the frequency and duration of bouts of MVPA were greatest in the interactive play condition. The current study presents a methodology for the identification of environmental contingencies that support increased levels of MVPA in young children, and it holds promise for improving our understanding of the variables related to physical activity.
身体活动不足会增加儿童与多种健康问题相关的风险；然而，增加身体活动可以降低这些风险。在这项研究中，我们研究了中度到剧烈的身体活动（MVPA）与几种环境条件（注意力、互动游戏、独处、逃避）与 4 名学龄前儿童之间的关系。我们根据组合的多元素和反转设计将实验条件与对照条件和自然基线进行了比较。结果表明，所有参与者在互动游戏条件下活动最活跃，MVPA 的百分比在实验和对照条件下有所不同。此外，互动游戏条件下 MVPA 的次数和持续时间最长。本研究提出了一种识别支持幼儿增加 MVPA 水平的环境条件的方法，有望提高我们对与身体活动相关的变量的理解。
