Song, Y., Petsangsri, S., Rattana-Olan, T., & Cui, J. (2026). The impact of immediate feedback and leaderboards on cognitive load and vocabulary learning strategies: An SEM approach in online Chinese learning. Edelweiss Applied Science and Technology, 10(2), 366–378. https://doi.org/10.55214/2576-8484.v10i2.12079