This study aimed to clarify the change in life skills in students who took an outdoor recreation intensive course and to perform a qualitative analysis of daily debriefing using text mining. We measured life skills using "Appraisal Scale of Required Life Skills for College Student Athletes." Qualitative data on debriefing were collected from the daily reflective journal and free descriptions that students wrote on the last day of the course. The results are as follows :
1) The students improved in life skills, particularly in the category of "communication," "stress management," "health management," "best effort," "courtesy and manner," "responsible behavior," "humble heart," and "appreciation."
2) The experiences of working closely with other people in various situations were reported to be an improvement factor of "communication." The sense of accomplishments that they gained by contacting different stressful factors and accomplishment were reported to be an improvement factor of "stress management" and "best effort." Regular life style was indicated as an improvement factor of "health management." The counselors who had been directly involved with the students were thought of as an improvement factor of "appreciation."
3) It was suggested that the experiences of facing stress in unusual circumstances and to handling it might contribute to the acquisition of overall life skills.

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