“…Human-like robot's features in terms of gestures and movements generate a positive response among the participants and consequently affect their attitude and acceptance towards the robot. The most used robots are generally robotic manipulator arms [19,72,89] social assistive robots, such as PeopleBot [91,92], mechanical humanoid robots [68,94,96], and robotic haptic interfaces [89], with which participants do not have sufficient familiarity. As reported in the literature, user's previous experience and familiarity contribute to modulate acceptance, especially in older adults [110,104].…”