Efficient Learning Assistance Strategies to Improve Learning Efficiency when Online Learning Video Quality Degradation Occurs

Online learning is gradually becoming a mainstream education method, and instructional video plays an indispensable tool for online learning. In order to improve learning efficiency, more and more studies focus on the design of instructional video content. However, online learning requires video transmission over the network, and instructional videos may become blurred due to bandwidth limitation. In this case, the instructional video content designed to improve learning efficiency will lose its usefulness, and alternative instructional strategies need to be provided to improve learning efficiency when online learning video quality degradation occurs. The experimental results have shown that paper assistant learning materials and audio assistant learning materials with voice cues can solve the impact of video quality degradation and improve learning efficiency.