Effects of Calorie Labeling and Pricing on Fast Food Choices
Author Information
Author(s): Harnack Lisa J, French Simone A, Oakes J Michael, Story Mary T, Jeffery Robert W, Rydell Sarah A
Primary Institution: University of Minnesota
Hypothesis
Does providing calorie information and value size pricing influence fast food meal choices?
Conclusion
Calorie labeling and value size pricing had little effect on the food choices made by participants.
Supporting Evidence
- Participants ordered meals from four different menu types.
- Calorie information was provided in a highlighted column on the menus.
- Results showed no significant differences in calorie intake across menu conditions.
Takeaway
When people order fast food, seeing calorie counts and prices doesn't really change what they choose to eat.
Methodology
A randomized 2 × 2 factorial experiment where participants ordered meals from menus with varying calorie information and pricing.
Potential Biases
Potential subject reactivity due to the participation incentive.
Limitations
Participants were only exposed to the experimental conditions once, which may not reflect long-term behavior changes.
Participant Demographics
Participants included 594 adolescents and adults, predominantly white females (59.4%).
Statistical Information
P-Value
p=0.25
Statistical Significance
p=0.25
Digital Object Identifier (DOI)
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