The effectiveness of a Group Triple P with Chinese parents who have a child with developmental disabilities: A randomized controlled trial

► The Group Triple P is effective with Chinese children with developmental disabilities. ► The Group Triple P can lead to decrease in child behaviour problems. ► The Group Triple P can lead to decrease in parental stress. ► The Group Triple P can lead to decrease in dysfunctional discipline styles and parental conflict. ► The effects can be maintained at six-month follow-up.