电子步行计与RT3活动感应器测量学龄前儿童参与组织性游戏活动的有效度
전자보행계여RT3활동감응기측량학령전인동삼여조직성유희활동적유효도
Convergent validity of the electronic pedometer with the TriTrac RT3 accelerometer for measuring structured play activities in preschool children