Inclusion criteria. To be included in the study, the youngster/families must meet the following criteria: (a) be between the ages of 11 to 14 years old, (b) be born in a Spanish speaking country or have parents born in Spanish speaking countries, (c) be living with at least one family member of an older generation such as a parent or grandparent; and all family members of the household (including the youngster and at least one adult) must agree to be present during the assessment and treatment sessions, and (d) meet DSM IV criteria for two of the following diagnoses (CD, DD, ADD) OR DSM-IV criteria for one diagnosis (CD, DD, ADD) and severe family conflict.