Project CORE: Disseminating Eating Disorders Treatment

Inclusion criteria include: * meets criteria for AN, atypical AN, or BN according to DSM-5 diagnostic criteria * is currently living at home * is medically stable for outpatient treatment according to the recommended thresholds of the American Academy of Pediatrics and the Society of Adolescent Medicine (e.g., ≥75% of expected body weight, heartrate ≥50 beats per minute) * if on a psychotropic medication, meets all eligibility criteria while on stable dose of psychotropic medication (8 weeks) for a co-morbid condition * speaks English * be available for long-term follow-up. Exclusion criteria include: * associated physical illness that necessitates hospitalization * psychotic illness/other mental illness requiring hospitalization * current dependence on drugs or alcohol * physical conditions (e.g. diabetes mellitus, pregnancy) known to influence eating or weight * concurrent involvement in other psychological treatment for an eating disorder * developmental delay that would preclude participation in the intervention.