1. The document discusses a study that examined teachers' perceptions of instructional supervision approaches and their relationship to professional development in Addis Ababa secondary schools.
2. The study collected survey data from 100 beginning teachers and 100 experienced teachers across 10 private and 10 government schools.
3. The study analyzed differences in teachers' perceptions of actual supervision practices based on experience, gender, and school type, and examined the relationship between supervision practices, attitudes, satisfaction, and perceived professional development.