High-quality, evidence-based professional development is essential to ensure that teachers obtain the knowledge, strategies and skills necessary to positively impact student learning. While the primary form of professional development, training has rarely been evaluated for quality beyond the satisfaction of those being trained. The Observation…

This article argues that evaluation of professional development (PD) requires a focus on student learning and an evidential baseline to enable practitioners and school leaders to determine the impact of the PD in which they are engaged. Several models of evaluating PD are briefly considered and it is suggested that most of these enable programme…

The study reported in this article draws upon data collected for the programme "Increasing the Efficiency of Mathematics and Science instruction" (SINUS-Transfer), a professional development project in Germany. This programme's approach requires teachers to improve their teaching in a cooperative manner and with regard to pedagogical…