Inclusion Criteria - Children:  Ages 3-7. Outpatients or Inpatients. Any gender, race or ethnicity. Able to provide developmentally appropriate informed assent, and legal guardians able to provide informed consent . EBP Severity rated above the clinically significant range (≥120; T-score ≥ 60) (Eyberg Child Behavior Inventory- ECBI; Eyberg & Pincus, 1999). Need for more intensive behavioral treatments such as ER visit for behavioral dyscontrol or hospitalization will not be exclusionary or exit criteria. Families approached for participation will be asked to commit to complete the treatment. At least one primary caregiver and the identified child will have to be able to speak and understand English.  Exclusion Criteria - Children:  Formal diagnosis of Severe Intellectual disability, Autistic Spectrum Disorder Level 3, or a psychotic disorder for the child. Parents not consenting to the study. Parents or child is not able to adhere to the study protocol. A Child who is reasonable expected to be unable to tolerate wearing the Garmin device for at least 70% of the time during the day and night 70% of the days during the treatment (12 weeks). This is based on the principal investigator's discretion. Unable to speak and understand English. Refusal or withdrawal of consent, inability, or unwillingness to adhere to study procedures. Children in foster care.  Inclusion Criteria - Adults:  Agree to wear Garmin watch. Ages 18-99. Any gender, race, ethnicity. Able to provide informed consent.  Exclusion Criteria - Adults:  Unable to speak and understand English. Refusal or withdrawal of consent, inability, or unwillingness to adhere to study procedures.