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  • Title: A controlled evaluation of an eating disorders primary prevention videotape using the Elaboration Likelihood Model of Persuasion.
    Author: Withers GF, Twigg K, Wertheim EH, Paxton SJ.
    Journal: J Psychosom Res; 2002 Nov; 53(5):1021-7. PubMed ID: 12445591.
    Abstract:
    OBJECTIVE: The aim was to extend findings related to a previously reported eating disorders prevention program by comparing treatment and control groups, adding a follow-up, and examining whether receiver characteristics, personal relevance and need for cognition (NFC), could predict attitude change in early adolescent girls. METHOD: Grade 7 girls were either shown a brief prevention videotape on dieting and body image (n = 104) or given no intervention (n = 114). All girls completed pre-, post- and 1-month follow-up questionnaires. RESULTS: The intervention group resulted in significantly more positive changes in attitude and knowledge at post-intervention, but only in knowledge at follow-up. There was no strong evidence that pre-intervention characteristics of recipients predicted responses to the videotape intervention when changes were compared to the control group. CONCLUSION: This prevention videotape appeared to have positive immediate effects, but additional intervention (e.g., booster sessions) may be required for longer-term change.
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