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Published in 2009, the purpose of this instrument is to obtain simultaneous objective data on student activity levels, the lesson context in which they occur, and how teachers interact regarding promoting physical activity and fitness during physical education, exercise classes, and sport practices.
McKenzie, T.L., Sallis, J.F., and Nader, P.R. (1991).SOFIT: System for observing fitness instruction time. Journal of Teaching in Physical Education, 11, 195-205.
A comprehensive tool for assessing physical education classes by providing for the simultaneous collection of data on student activity levels, the lesson context, and teacher behavior. Thomas L. McKenzie, Ph.D.
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