Inclusion Criteria:  Legal guardian and primary caregiver of a child aged 36-71 months Legal guardian or primary caregiver is age 16 years or older Child receives pediatric care at Boston Medical Center or at one of the participating Boston HealthNet clinics Able to understand informed consent procedures in English or Spanish  Participant has a child aged 36-71 months with an ADHD diagnosis, OR one elevated total or subscale score at the 80th percentile on the ADHD-Rating Scale-IV Preschool Version. 80th percentile cut-offs on the ADHD-Rating Scale-IV Preschool Version are as follows:  For male children, a total score ≥ 25 OR subscale score (inattention and/or hyperactivity) ≥ 12 For female children, a total score ≥ 13 OR subscale score (inattention and/or hyperactivity) ≥ 6 for female children  Exclusion Criteria:  There are no specific exclusion criteria for this study