Akemi ASHIDA¹, Hiroshi Kan Sato², Go Shimada³, Maki Michinaka⁴, Tatsufumi Yamagata⁵, Shoko Yamada¹, Suzuka Yoshida, Kensuke Yamaguchi⁶, Hikari Ishido⁷, Yoshiaki Nishikawa⁸ (1. Nagoya University, 2. Tokyo Institute for Development Sociology, 3. Meiji University, 4. Nippon Hyoron sha co.,Ltd, 5. Ritsumeikan Asia Pacific University, 6. The University of Tokyo, 7. Chiba University, 8. Ryukoku University)