Background/Objectives: Mindfulness-based interventions show promise for treating childhood ADHD, yet the mechanisms through which they produce effects remain unclear. This study provides the first direct comparison of treatment mechanisms between a mindfulness-based family intervention (MYmind) and methylphenidate. Methods: Data were drawn from a preregistered trial combining randomized and preference arms, comparing MYmind (2-month parallel parent-child mindfulness training) with 4-month…
