4Wareham NJ,Jakes RW,Ronnie KL. Validity and repeatability of a simple index derived from the short physical activity questionnaire used in the European Prospective Investigation into cancer and nutrition (EPIC) study[J].Public Health Nursing,2003.
5Booth ML,O'Kelly AD,Chewy TN. The reliability and validity of the adolescent physical activity recall questionnaire[J].Medicine and Science in Sports and Exercise,2002,(12).doi:10.1097/00005768-200212000-00019.
6Scanlon TK,Russell DG,David G. Project on elite athlete commitment (PEAK):Ⅱ.Introduction and methodology[J].Journal of Sport & Exercise Psychology,2003.
