Teacher development is a research area that focuses on the growth and improvement of teachers throughout their careers. This includes ongoing professional learning, training, and support to help teachers enhance their knowledge, skills, and teaching practices. Teacher development research often explores various methods and strategies for effective professional development, as well as the impact of continuous learning on teacher effectiveness and student outcomes. Overall, teacher development aims to empower educators with the tools and resources they need to excel in their roles and positively impact student learning.