A Systematic Review of the Research Topics in Online Learning During COVID-19: Documenting the Sudden Shift

Since most schools and learners had no choice but to learn online during the pandemic, learning became mainstream mode rather than a substitute for traditional face-to-face learning. Given this enormous change in learning, we conducted systematic review of 191 recent studies published COVID-19 era. The results indicated that themes regarding “courses instructors” popular whereas research has focused on “learners” pre-COVID-19. Notably, topics “course technology” received more attention prior COVID-19. We found “engagement” remained common theme even after pandemic. New included parents, technology acceptance or adoption learners’ instructors’ perceptions