Research on The Influencing Factors of Knowledge Communication Effect of Instructional Danmaku Videos

The popularization of online instructional videos and the rise of danmaku video platforms have brought significant changes to knowledge communication. Online instructional videos provide an effective way for the wide communication of knowledge, while danmaku video platforms provide audiences with a platform for instant interaction and social sharing, alleviating their sense of isolation in the process of knowledge communication. However, the popularity of instructional videos does not mean that the ideal knowledge communication effect has been reached, but rather the beginning of iterative optimization of communication effect. Therefore, the article categorizes the knowledge communication effect into three aspects: knowledge communication breadth, knowledge communication recognition and knowledge communication participation, and combines theories such as the 5Ws and video evaluation text mining to explore the influencing factors of knowledge communication of instructional danmaku videos, and the study finds that explanation thoroughness, knowledge richness, knowledge adaptability, uploaders' attractiveness and social presence all have a significant positive impact on the effect of knowledge communication. Finally, the study proposes a discussion and recommendations based on the findings to promote the knowledge communication effect of instructional danmaku videos.