4Rice M L, Huston A C, Truglio R, Wright J. Words from "Sesame Street": learning vocabulary while viewing[J]. Developmental Psychology, 1990,26 (2): 421-428.
5Duquette L, Painchaud G. A comparison of vocabulary acquisition in audio and video contexts[J]. Canadian Modern Language Review, 1996,53 (5): 143-172.
6John Sweller. Cognitive load theory[J] .Psychological issues in the teaching and learning of computing,2003,38(1) :1-4.