The development of prospective teachers' didactical knowledge: lesson study as a formative process into initial teacher education

This study aims to understand how, during initial teacher education, lesson study promotes the development of prospective teachers' knowledge about tasks, students' work, and classroom communication. It is qualitative design-based research. In the results, the collaborative work in a detailed planning of a lesson stands out, as well as its reflexive nature, supported by the opportunities to lead the lesson. They also show that is essential to base the work on the challenging aspects for prospective teachers, providing them with opportunities to learn from practice.