Rewards can be used effectively with repeated exposure to increase liking of vegetables in 4-6-year-old children

Auteur(s) :
Slater A., Corsini N., Harrison TA.
Date :
Sep, 2011
Source(s) :
Adresse :
1CSIRO Food and Nutritional Sciences, PO Box 10041, Adelaide BC, South Australia 5000, Australia

Sommaire de l'article

OBJECTIVE: To examine whether parents offering a sticker reward to their child to taste a vegetable the child does not currently consume is associated with improvements in children’s liking and consumption of the vegetable.

DESIGN: A randomized controlled trial evaluated the effectiveness of exposure only (EO) and exposure plus reward (E + R), relative to a control group, on children’s liking and consumption of a target vegetable. Assessments were conducted at baseline and 2 weeks from baseline (post-intervention). Follow-up assessments were conducted at 4 weeks and 3 months from baseline.

SETTING: The study took place in Adelaide, South Australia. Participants were self-selected in response to local media advertisements seeking to recruit parents finding it difficult to get their children to eat vegetables.

SUBJECTS: Participants were 185 children (110 boys, seventy-five girls) aged 4-6 years and their primary caregiver/parent (172 mothers, thirteen fathers).

RESULTS: The E + R group was able to achieve more days of taste exposure. Both EO and E + R increased liking at post-intervention compared with control and no further change occurred over the follow-up period. All groups increased their intake of the target vegetable at post-intervention. Target vegetable consumption continued to increase significantly over the follow-up period for E + R and control but not for EO.

CONCLUSIONS: The findings provide support for the effectiveness of using a sticker reward with a repeated exposure strategy. In particular, such rewards can facilitate the actual tastings necessary to change liking.

Source : Pubmed