Boyland et al. 2013

Research paper

Boyland EJ, Harrold JA, Dovey TM, Allison M, Dobson S, Jacobs MC, Halford JC. Food choice and overconsumption: effect of a premium sports celebrity endorser. J Pediatr. 2013;163(2):339-343.

Why we cite it

An experimental study demonstrating that celebrity endorsement in food advertising causes overconsumption in children, not merely brand switching. In 181 UK children (ages 8–11), those who viewed a Walker’s Crisps advertisement featuring Gary Lineker consumed 40% more of the endorsed brand than those who saw an alternative food ad, and 75% more than those who saw a toy ad. Critically, children did not reduce intake of an alternative brand to compensate — the effect was additive, producing net overconsumption. Even viewing the celebrity in a non-food context (as a TV presenter) produced the same effect. This supports the food advertising companion (216): food marketing does not merely redirect existing consumption toward particular brands but increases total intake through associative mechanisms.

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