Self-determination theory (SDT) has been widely investigated to understand and changean individual’s physical activity (PA) behavior in different settings (Deci & Ryan, 1985;1991; 2000). The first purpose of this study was to examine if physical educators’teaching style influences student needs that affect student motivation, which in turnpredict objectively measured student PA and MVPA levels (i.e., a serial mediator model).The second purpose was to explore moderating role of students’ gender on thoserelationships. 313 students from three middle schools in Wisconsin completed LearningClimate Questionnaire modified from Williams and Deci (1996), Psychological NeedScale and Need Frustration Scale adopted from Chen et al. (2015), and PhysicalEducation Questionnaire modified from (Aelterman et al., 2012) in a row to assessperceptions of autonomy-supportive teaching, experience of need satisfaction and needfrustration, and motivational outcomes, respectively. Participants’ PA and MVPA levelswere recorded using a GT3X+ accelerometer (Actigraph, Pensacola, FL) for fourconsecutive PE lessons. It was found that although there was no gender effect on therelationships of SDT constructs, there was an indirect mediating effects of competencesatisfaction and intrinsic motivation between autonomous teaching style and the students’objectively measured PA and MVPA levels. The results showed that PE teachers’autonomous teaching behavior is effective to promote students’ objectively measured PAbehavior during physical education lessons. Therefore, it is worth paying attention to howto provide autonomous teaching to students efficiently in the PE setting.
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Teaching styles in physical education: the effects on physical activity levels of middle school students with different motivation types