Pearce, M., Saunders, D., Allison, P., & Turner, A. (2018). Indoor and Outdoor Context-Specific Contributions to Early Adolescent Moderate to Vigorous Physical Activity as Measured by Combined Diary, Accelerometer, and GPS. Journal of Physical Activity & Health, 15(1), 40-45. https://doi.org/10.1123/jpah.2016-0638 (Original work published 2018)