6Hartmann, D. P., & Wood, D. D. Observational methods [A]. In A. S. Bellack, M. Hersen, & A. E. Kazdin (Eds.), International handbook of behavior modification and therapy [C]. NY: Plenum, 1990: 107-138. 被引量:1
7Baranowski, T., Thompson, W. O., DuRant, R. H., Baranowski, J., & Puhl, J. Observations on physical activity in physical locations: Age, gender, ethnicity, and months effects [J]. Research Quarterly for Exercise Science, 1993, 64: 127-133. 被引量:1
8McKenzie, T. L., Sallis, J. F., Elder, J. P., Berry, C. C., Hoy, P. L., Nader, P. R., et al. Physical activity levels and prompts in young children at recess: A two-year study of a bi-ethnic sample [J]. Research Quarterly for Exercise and Sport, 1997, 68: 195-202. 被引量:1
9McKenzie, T. L., Marshall, M. A., Sallis, J. F., & Conway, T. L. Leisure-time physical activity in school environments: An observational study using SOPLAY [J]. Preventive Medicine, 2000, 30: 70-77. 被引量:1