“Danmaku ”, as a real-time commentary tool , overlays on the screen of online
video with dynamic comment marquee which sent by viewers. Danmaku provides
the field that people can interact with other audience, however, it also possibly
increases the cognitive load when people watches video, besides images and voice.
In order to understand what the difference of video-watching experience made by
Danmaku, the research manipulated the structural features of online video, placed
cognitive load as mediator and type of video content as moderator. The experiment
result indicated that Danmaku video actually brought greater cognitive load to
views than normal video, and decrease the flow experience of watching video. In
addition, the different content type also influences the flow experience, but not
reach effect of moderator.