[Sponsored Article] Imagine that you are trying a new restaurant, but their food is not special enough to warrant revisiting. When you check out, your server asks, “How was your food today?” Would you give the server your honest feedback, saying “Well, it’s not so great – I won’t be coming back.” Would you rather say “Yea, it was good,” hiding your true feelings? What if the server was a service robot, not a human staff? Would you respond differently? Regardless of its valence, customer feedback provides valuable insights regarding how customers evaluate service quality. Particularly, in-person feedback allows service...