Time matters in VR: Students benefit from longer VR class duration, but certain outcomes decline after 45 minutes, with large individual variance. - Rabindra Ratan; Qiyang Lin; Chaeyun Lim; Rinseo Park; Alex Lover; Eugy Han; Dayeoun Jang; Alex P. Leith; Jeremy N. Bailenson (Comput. Educ., 2025)