Publication

Extraverted Children Are More Biased by Bowl Sizes than Introverts

van Ittersum, K. & Wansink, B., 30-Oct-2013, In : PLoS ONE. 8, 10, 3 p., e78224.

Research output: Contribution to journalArticleAcademicpeer-review

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 (16-oz) than in smaller (12-oz) 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 suggests different serving styles are recommended for parents and other caregivers. They should serve extraverts, but allow introverts to serve themselves. Still, since the average child still served 23.2% more when serving themselves than when served by an adult, it might be best for caregivers to do the serving whenever possible - especially for extraverted children.

Original languageEnglish
Article numbere78224
Number of pages3
JournalPLoS ONE
Volume8
Issue number10
Publication statusPublished - 30-Oct-2013

    Keywords

  • ILLUSIONS BIAS, PORTION SIZES, PERSONALITY, CONSUMPTION, DIMENSIONS, EXTROVERTS, OVERWEIGHT, BEHAVIOR, OBESITY, TRAITS

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