The purpose of the Traditions study was to examine the influence of cultural immersion on willingness to try fruits and vegetables among children, 3-12 y, in Guam. The primary objective of this study was to examine willingness to try fruits and vegetables and fruit and vegetable intake among children attending three existing summer camp programs: a cultural immersion camp, a university day camp, and a recreational sports camp. The primary hypothesis was that children attending the cultural immersion camp would have higher willingness to try fruits and vegetables (WillTry score) and a higher intake of fruits and vegetables compared to children attending both, the university day camp and recreational sports camp, without cultural immersion.