Symonds, J., Boheim, R., Somerville, M., Baines, E., Tang, X., Oeri, N., Rinas, R., Buehler, F., Benke, G., Davies, A., Sloan, S., Devine, D., & Martinez Sainz, G. (2025). Children’s Momentary Behavioural Engagement and Class Size: A National Systematic Observation Study : Momentary Behavioural Engagement. Frontline Learning Research, 13(2), 51–66. https://doi.org/10.14786/flr.v13i2.1431