Hi there.

It's hard to figure out the exact answer you're looking for partnering to your question and nature of instrument. One of the interesting way to find out health base journals like https://www.sciencedirect.com/browse/journals. or nature.com or British Medical journal. I assume that you could find your answer(s) from their end and peer review.

Dear Brett Nicolich

Have a look:

1. https://www.tandfonline.com/doi/full/10.1080/1091367X.2021.1901714

2. https://www.researchgate.net/publication/320174703_Validation_of_an_observation_tool_to_assess_physical_activity-promoting_physical_education_lessons_in_high_schools_SOFIT

3. https://www.sciencedirect.com/science/article/abs/pii/S144024401731232X

4. https://ijbnpa.biomedcentral.com/articles/10.1186/s12966-014-0145-5

5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4679727/

6. https://www.jsams.org/article/S1440-2440(17)31232-X/fulltext

Kind Regards

Qamar Ul Islam