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Cooke, L., Chambers, L., Añez, E., Croker, H., Boniface, D., Yeomans, M., et al. (2010). Eating for Pleasure or Profit. Psychological Science, .
Abstract: Parents commonly use rewards to encourage children to eat healthfully, but this practice remains controversial because rewards are suspected of undermining children’s intrinsic motivation. A cluster-randomized trial examined children’s acceptance of a disliked vegetable over 12 daily taste exposures. These exposures were paired with a tangible reward, a social reward, or no reward, and the findings were compared with the results from a no-treatment control condition. Liking and intake of the vegetable were assessed in a free-choice consumption task at preintervention, postintervention, 1 month after intervention, and 3 months after intervention. Liking increased more in the three intervention conditions than in the control condition, and there were no significant differences between the intervention conditions. These effects were maintained at follow-up. Children in both reward conditions increased consumption, and these effects were maintained for 3 months; however, the effects of exposure with no reward became nonsignificant by 3 months. These results indicate that external rewards do not necessarily produce negative effects and may be useful in promoting healthful eating.
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Muller, M., Shami, N. S., Millen, D. R., & Feinberg, J. (2010). We are all lurkers: consuming behaviors among authors and readers in an enterprise file-sharing service. Sanibel Island, Florida, USA: Acm.
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Antin, J., & Cheshire, C. (2010). Readers are not free-riders: reading as a form of participation on wikipedia. Savannah, Georgia, USA: Acm.
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Dick, H. (2010). Using cultures of participation to change behaviors. Sanibel Island, Florida, USA: Acm.
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Perkins, H. W., Linkenbach, J. W., Lewis, M. A., & Neighbors, C. (2010). Effectiveness of social norms media marketing in reducing drinking and driving: A statewide campaign. Effectiveness of social norms media marketing in reducing drinking and driving, 35(10), 866–874.
Abstract: This research evaluated the efficacy of a high-intensity social norms media marketing campaign aimed at correcting normative misperceptions and reducing the prevalence of drinking and driving among 21-to-34-year-olds in Montana. A quasi-experimental design was used, such that regions of Montana were assigned to one of three experimental groups: social norms media marketing campaign, buffer, and control. Four random samples of Montanans between the ages of 21 and 34 were assessed at four time points over 18†months via phone surveys. Findings suggest that the social norms media campaign was successful at exposing the targeted population to social norms messages in the counties within the intervention region. Moreover, results demonstrate the campaign reduced normative misperceptions, increased use of designated drivers, and decreased drinking and driving among those young adults in counties within the intervention region. Social norms media marketing can be effective at changing drinking-related behaviors at the population level. This research provides a model for utilizing social norms media marketing to address other behaviors related to public health.
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