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2015
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(2015): Communicating eating-related rules. Suggestions are more effective than restrictions. In: Appetite 86, S. 45-53
Abstract: Compared restrictive and suggested eating-related rules intended to curb unhealthy eating behavior to assess their effects on food consumption. Both restrictive and suggested rules were expected to be equally successful initially, but a restrictive rule was predicted to have negative after-effects once it was no longer in place. The role of reactance in the expected behavioral differences was empirically tested. Participants were exposed to M&M's while completing a creativity task. Consumption was either explicitly forbidden (restrictive rule) or mildly discouraged (suggested rule). In the control condition, participants were either explicitly allowed to consume M&M's or were not provided M&M's at all. Measures of psychological reactance were assessed following completion of the task. Participants then took part in a taste test in which they were allowed to freely consume M&M's. Results showed that both types of rules were equally successful initially in curbing unhealthy eating behavior during the creativity task. However, when allowed to eat freely, participants in the restrictive-rule group consumed more M&M's in the taste test and reported higher levels of psychological reactance than the suggested-rule participants or control group participants, supporting expectations that restrictive rules result in a negative after-effect. Both communication forms are considered initially successful in reducing unhealthy eating behavior, but a suggestive rule appears to be a more successful way to communicate healthy habits that remain in effect even after the rule is no longer in place. zitiert von 13
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