Marquez-Carpintero, L., Pina-Navarro, M., Suescun-Ferrandiz, S., Escalona, F., Gomez-Donoso, F., Roig-Vila, R., Cazorla, M. Identifying the Students' Attention Level by Analyzing the Sensory and Biometric Data. J. Vis. Exp. (Pending Publication), e201553, doi:10.3791/201553 (2023).