“…The social signals most broadly used in the literature to model and assess the social qualities of human-robot interaction are gaze [5], physical proximity [36,40], tactile contact [19,46], joint attention [5,32,48], mirroring [41,49], imitation [24,39,48], synchrony [5,25,45] and coordination [28] of behavior, empathic behavior [33], and body posture [10,47] and orientation [14]. Children varied enormously in the ways that they used these to indicate a positive connection with Robin.…”