Characterizing Learners' Complex Attentional States During Online Multimedia Learning Using Eye-tracking, Egocentric Camera, Webcam, and Retrospective recalls. - Prasanth Chandran; Yifeng Huang; Jeremy Munsell; Brian Howatt; Brayden Wallace; Lindsey Wilson; Sidney D'Mello; Minh Hoai; N. Sanjay Rebello; Lester C. Loschky (ETRA, 2024)