Relationship of Speech Activity to Subjective Ratings and Performance during a Convergent Creative Problem Solving Task Involving Communication Among Three People. - Takashi Numata; Sae Kondo; Taichi Miyamae; Hiroyuki Sekikawa; Karen Sasagawa; Shiori Onodera; Masaaki Kuzuya; Kotaro Onishi; Hiroko Ohno; Masako Maeda; Chikako Goto; Hideki Koizumi (HAI, 2019)