Key points are not available for this paper at this time.
Paul van den Broek, Elizabeth Pugzles Lorch, Richard Thurlow, Children's and Adults' Memory for Television Stories: The Role of Causal Factors, Story-Grammar Categories, and Hierarchical Level, Child Development, Vol. 67, No. 6 (Dec., 1996), pp. 3010-3028
Broek et al. (Sun,) studied this question.