Introduction to physical activity research / Gregory J. Welk
Methods for assessing physical activity and challenges for research / Darren Dale, Gregory J. Welk, and Charles E. Matthews
Measurement issues for the assessment of physical assessment of physical activity / James R. Morrow Jr.
Construct validity in physical activity research / Matthew T. Mahar and David A. Rowe
Physical activity data : odd distributions yield strange answers / Jerry R. Thomas and Katherine T. Thomas
Equating and linking of physical activity questionnaires / Weimo Zhu
Sample size and power considerations in physical activity research / Diane J. Catellier and Keith E. Muller
Use of self-report instrumrnts to assess physical activity / Charles E. Matthews
Use of accelerometry-based activity monitors to assess physical activity / Gregory J. Welk
Use of heart rate monitors to assess physical activity / Kathleen F. Janz
Use of pedometers to assess physical activity / David R. Bassett Jr. and Scott J. Strath
Use of direct observation to assess physical activity / Thomas L. McKenzie
Use of doubly labeled water and indirect calorimetry to assess physical activity / Raymond D. Starling
Applying multiple methods to improve th accuracy of activity assessments / Margarita S. Treuth
Physical activity assessment issues in population-based interventions : a stage approach / Claudio R. Nigg
Environmental and policy measurement in physical activity research / Adrian Bauman, James F. Sallis, and Neville Owen.