I think the interview format one on one with a teacher is a good exercise.
Which events or activities did you find the most satisfying and why?
The Enoshima trip was an interesting and appreciated change of environment. It allowed me to spend more time outside of the classroom with my teachers and classmates and practice Japanese together with classmates in practical environments.
What were the most productive and interesting aspects of the program for you? The least interesting and productive?
I think the interview format one on one with a teacher is a good exercise. Anything that allows practice of new grammar and vocabulary in conversational setting felt very helpful. Likewise the weekly essays provided a chance to effectively apply lessons learned and test ability.
