“…Researchers at Yale have used a dinosaur robot, Pleo [5], and researchers in Japan have used a mechanical, machine-like robot, Infanoid, as well as a small, snowman-looking robot, Keepon [18]. Researchers at the University of Pisa have used a realistic robot, FACE [13], whereas researchers at the University of Sherbrook and Toyota have used less realistic humanoid robots in their studies, such as Tito and HOAP-3 [11,14].…”