The purpose of this study was to determine the impact of the professional development training provided by the National Institute for School Leadership (NISL) on leadership behavior in schools. In order to achieve this overall objective, the following research questions framed this mixed methods study: 1. To what degree did the National Institute…

Externalizing behavior is a significant concern among teachers. Teachers could benefit from incorporating proactive strategies to prevent problem behaviors and promote academic engagement as students transition into the classroom learning environment. The purpose of this study was to conduct an experimental investigation of the Positive Greetings…

There is increasing demand for access to effective interventions for families who have children with autism. Self-directed learning models have been successfully used with other populations as a way to reduce the service-need discrepancy. The purpose of this study was to evaluate, through a randomized clinical trial, whether the use of a…

Two studies evaluated effects of First Step to Success, a collaborative home and school early intervention program designed for kindergartners who show signs of emerging antisocial behavior. Two sets of 5-year-old male twins were the subjects of the 4-year studies. Exposure to the First Step program produced powerful behavior changes that were…