Quality improvement of guiding online-first field practice training through use of reflective essay and lesson study

The purpose of this study is to describe the improvement of activities during the first field practice training conducted by online class through the use of Reflective Essay and Lesson Study. This action research is conducted on July 20-30, 2020, in the odd semester 2020/2021. The research subjects consisted of 6 biology students who perform peer-teaching practice. Students divided into two groups- each served as a lesson study team. Each student could practice teaching his friends twice through online teaching in the lesson study platform. Every day they write a reflective essay. The results showed that the use of Reflective Essay and Lesson Study could help the students improve lesson design preparation (media selection for apperception and leading activities, time, mastery of concepts). The students still having difficulties in implementing the training and measuring of 21st-century skills.