A therapy-based method for increasing the communications skills of children diagnosed with Pervasive Development Disorder ("PDD") through a combination of therapy steps performed in a particular order and for specific amounts of time. The method makes use of integrating language scripting, sensory integration, occupational and speech therapies, visual supports, and a structured routine, which teaches children diagnosed with PDD specific social-based interactions that improve the ability of those diagnosed with PDD to interact with others in common social settings.