Extraverted Children are More Biased by Bowl Sizes than Introverts

PloS one 8.10 (2013): e78224.

10 Pages Posted: 29 Jul 2014

Multiple version iconThere are 2 versions of this paper

Date Written: June 14, 2013


Extraverted children are hypothesized to be most at risk for over-serving and overeating due to environmental cues – such as the size of dinnerware. A within-subject field study of elementary school students found that extraverted children served themselves 33.1% more cereal in larger bowls than in smaller bowls, whereas introverted children were unaffected by bowl size (+5.6%, ns). However, when children were asked by adults how much cereal they wanted to eat, both extraverted and introverted children requested more cereal when given a large versus small bowl. Insofar as extraverted children appear to be more biased by environmental cues, this pilot study study suggests different serving styles are recommended for parents and other caregivers. They should serve extraverts, but allow introverts to serve themselves.

Suggested Citation

van Ittersum, Koert and Wansink, Brian, Extraverted Children are More Biased by Bowl Sizes than Introverts (June 14, 2013). PloS one 8.10 (2013): e78224., Available at SSRN: https://ssrn.com/abstract=2473209

Koert Van Ittersum

University of Groningen ( email )

Postbus 72
9700 AB Groningen

Brian Wansink (Contact Author)

Retired ( email )

607-319-0123 (Phone)

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