Measuring students' physical activity levels: Validating SOFIT for use with high-school students

Paul Rowe, Hans Van Der Mars, Joel Schuldheisz, Susan Fox

Research output: Contribution to journalReview article

53 Scopus citations

Abstract

This study was conducted to validate the System for Observing Fitness Instruction Time (SOFIT) for measuring physical activity levels of high-school students. Thirty-five students (21 girls and 14 boys from grades 9-12) completed a standardized protocol including lying, sitting, standing, walking, running, curl-ups, and push-ups. Heart rates and Energy Expenditure, that is, oxygen uptake, served as concurrent validity criteria. Results indicate that SOFIT discriminates accurately among high-school students' sedentary behaviors (i.e., lying down, sitting, standing) and moderate to vigorous physical activity behavior and is recommended for use in research and assessment of physical activity levels in physical education classes for this age group. Implications for use of SOFIT by both researchers and teachers in physical education are described, as well.

Original languageEnglish (US)
Pages (from-to)235-251
Number of pages17
JournalJournal of Teaching in Physical Education
Volume23
Issue number3
DOIs
StatePublished - Jul 2004
Externally publishedYes

Keywords

  • Assessment
  • High-school students
  • Physical activity measurement

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation
  • Education

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