We encourage the use of our work for educational and research purposes. The GRF-OT has been established as a valid and reliable tool for recess observations.
If you intend to use the GRF-OT for research purposes, we would appreciate a reference list of any publications that use the GRF-OT. If you have any questions on the use of the GRF-OT, please contact William Massey, PhD at email@example.com.
To cite the GRF-OT please use the following reference:
Massey, W.V., Stellino, M.B., Mullen, S.P., Claassen, J. & Wilkinson, M. (2018). Development of the great recess framework – observational tool to measure contextual and behavioral components of elementary school recess. BMC Public Health, 18:394. https://doi.org/10.1186/s12889-018-5295-y
To access the GRF-OT click on the link below:
Research Validation Study
GRF-OT 17 Item Version
GRF-OT Full 24 Items