Background: Our understanding of the role in which content knowledge (CK) can strengthen instructional models and how that knowledge matters for professional development is limited. It is contended that mere use of an instructional model is insufficient to impact psychomotor learning in meaningful ways. Purpose: This study was conducted to…

This study investigated effects of an audiotape self evaluation intervention on the instructional behavior of three student teacher interns in classrooms for students with various developmental disabilities. A multiple baseline design was used to evaluate the intervention. Results indicated a positive effect on all interns' use of specific social…