Automatic Detection of Reflective Thinking in Mathematical Problem Solving Based on Unconstrained Bodily Exploration. - Temitayo A. Olugbade; Joseph W. Newbold; Rose M. G. Johnson; Erica Volta; Paolo Alborno; Radoslaw Niewiadomski; Max Dillon; Gualtiero Volpe; Nadia Bianchi-Berthouze (IEEE Trans. Affect. Comput., 2022)