In addition, parents found both the training, which was presented through modeling the appropriate PRT techniques, and the accompanying manual helpfull, an overall found the experience to be positive. Coolican et al., Brookman-Frazee (2004), and Peishi (2008) used multiple locations to deliver training to parents (e.g.,home and clinic) and several methods to present the information to parents (e.g., modeling, lectures, video, manuals to successfully train them in the use of strategies to help their children with autism.