Background and purpose: As clear mechanisms for motivating and engaging teachers in learning and working collaboratively with colleagues are scarce, this study explored supportive conditions of promoting teacher professional development on inquiry-based science teaching in a Professional Learning Community (PLC) and examined how teachers'…

Cross-community collaboration which expands community members' interaction to a larger social scale plays a crucial role in increasing information exchange and extending inquiry learning. This dissertation uses a design-based research approach which aims at testing a multi-level emergence design in multiple learning communities. This design serves…