Because research has shown that principals' practices can significantly impact teaching and learning in their schools through multiple avenues, it is critical to understand the validity of tools that measure principal practice. While the field has relied heavily on self-report surveys, little is known about their validity. This study compares…

This research is the first part of a 2-year cognitive-behavioral-ecological (CB-E) social skills training for high-functioning children with autism spectrum disorder (HFASD). Current study examined efficacy of an individual CB-E intervention in facilitating children's dyadic interactions (immediately after treatment and 4 months later) and their…

This multimethod study generated and tested a "best evidence" model of school improvement processes (SIP) capable of improving student achievement. Initially developed through the review of a comprehensive body of previous empirical research, the model was further refined through a 2, 5-year longitudinal study in 10 schools. A quantitative test of…