[D-1-1-3] A study on variation of intrinsic motivation by service activity progress
*Li Yiran1, Nariaki Nishino1, Hiroki Takahashi2, Nishiyama Kohei1, Sangjic Lee1(1. Nishino Laboratory, Technology Management Strategy, Graduate School of Engineering, The University of Tokyo, 2. University of Tsukuba, Department of System Information)