Investigating Impact of Different Types of Professional Development on What Aspects Mathematics Teachers Take Up and Use in Their Classroom

The Taking a Deep Dive (TaDD) study examines the residual impacts of four different professional development models on teacher learning, specifically 3-4 years after the actual PD experiences. The project is conducting a rigorous cross case analysis across participants from the different projects. Additionally, a survey was given to participants in May 2019 which was 3-4 years after their PD experience. Findings contribute to the PD landscape of PD design and survey design.