The effect of group size on people's attitudes and cooperative behaviors toward robots in interactive gameplay. - Wan Ling Chang; Jeremy P. White; Joohyun Park; Anna Holm; Selma Sabanovic (RO-MAN, 2012)

Device-orientation is more engaging than drag (at least in mobile computing). - Mattias Arvola; Anna Holm (NordiCHI, 2014)