Wise Social Psychological Interventions to Improve Outcomes of Behavioral Weight Control in Children With Obesity

Inclusion Criteria: * 10-16 year old children with obesity (BMI ≥ 95th percentile on the 2000 Centers for Disease Control and Prevention BMI reference) on the date of randomization. Participation in a behavioral weight control program. Standard behavioral weight control program eligibility criteria will apply: Child and at least one parent/guardian must agree to participate Exclusion Criteria: * Medical conditions affecting growth - diagnosed with a genetic or metabolic disease/syndrome associated obesity, Type 1 diabetes, Type 2 diabetes taking medication, chronic gastrointestinal diseases, Chronic renal diseases, uncorrected structural heart disease, heart failure, heart transplant, anorexia nervosa or bulimia nervosa or binge eating disorder (present or past), AIDS or HIV infection, pregnancy Medications affecting growth - systemic corticosteroids more than 2 weeks in the past year, insulin, oral hypoglycemics, thyroid hormone, growth hormone Conditions limiting participation in the interventions - e.g., unable to participate in routine physical education classes at school, requiring oxygen supplementation for exertion, developmental or physical disability preventing participation in interventions, children or parents/guardians who cannot medically participate in mild dietary restrictions and/or increased physical activity for any reason Conditions limiting participation in the assessments - child or primary caregiver not able to read surveys in English or Spanish, child two or more grade levels delayed in school for reading and writing in his/her native language Unable to read, understand or complete informed consent in English or Spanish