A critical incident is an unexpected event that occurs in the classroom. Teachers can uncover a new understanding of the teaching and learning process through reflecting on these critical incidents. This study explored the writing and discussion of critical incidents among six student teachers with their cooperating teachers in a practicum under…

This case study investigates how an ESL teacher's activity of self-directed journal writing can facilitate learning and function as a mediational tool for teacher professional development. The participant for this study is a native English speaker who taught an ESL freshman writing course in an American university. Since he had little time to…