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This study examined how 3 constructs—involvement with a specific character, involvement with the narrative (Green and Brock's construct of transportation), and viewers' emotional reaction to the narrative—produce entertainment-education (EE) effects. A pretest/posttest survey of 167 regular viewers measured the effects of exposure to a lymphoma storyline on a television drama, Desperate Housewives. Transportation or involvement with the narrative was the best predictor of change in relevant knowledge, attitudes, and behavior. Although involvement with a specific character has been hailed an important direct predictor of EE effects, a structural equation model indicated that character involvement may be more important for its ability to heighten transportation and emotion, which, in turn, produce changes in viewers' knowledge, attitudes, and behavior.
Murphy et al. (Wed,) studied this question.