高 stakes 体育考试后中学生活动量变化与动机质量及学校实施的关系

Introduction High-stakes physical education examinations mobilize adolescents at scale, but whether examination-period activity is retained after the incentive is removed remians unclear. Methods Guided by self-determination theory, we followed a convenience sample of 3,493 adolescents from 50 Chinese schools across four waves spanning the physical education entrance examination. The design included a calendar-matched Grade 8 reference cohort and an ActiGraph GT3X+ accelerometer subsample; endpoint models used 336 Grade 9 students with valid device data at both post-examination waves. Results