"My Tummy Tells Me" Cognitions, Barriers and Supports of Parents and School-Age Children for Appropriate Portion Sizes.

Larger portion sizes have increased in tandem with the rise in obesity. Elucidation of the cognitions of children and parents related to portion size is needed to inform the development of effective obesity prevention programs. This study examined cognitions of parents ( = 36) and their school-age children (6 to 11 years; = 35) related to portion sizes via focus group discussions.