Clinical implications
Results of this study provided some clinical insights to practitioners who work with families of children with
developmental disabilities. Results showed that PMT, particularly the Stepping Stones Triple P1 and The Incredible Years1
programs, were effective in reducing the disruptive behaviors of children with developmental disabilities. Parent
Management Training that includes a method of delivery including both group and individual formats are especially
effective. Both experienced and therapists in training can use PMT and expect a positive outcome on aggression,
noncompliance, and defiance.