NAO Robot, Transmitter of Social Cues: What Impacts?

The Example with “Endowment effect”
  • Olivier MassonEmail author
  • Jean Baratgin
  • Frank Jamet
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10350)


Assuming that social norms are engaged in all human-human interactions in an automatic manner, how to program a robot as to activate respect of social norms from humans? We argue that endowment effect, constituting a bias in decision making, could be produced by a “politeness effect” within the exchange paradigm of Knetsch (1989). To test this hypothesis, NAO, a humanoid robot took the place of the human experimenter and was programmed to behave in a neutral way, annihilating all non-verbal social cues emission. In this condition, politeness rules had been respected by minority in contrast with the same methodology lead by a human. Following this experiment, NAO was programmed as to re-activate social norms, using several non-verbal social cues: face tracking, intonations of voice and gestures. First results in this way tend to show the impact of non-verbal social cues, producing an endowment effect again.


Perceptual Robots Motor Cognitive Emotional Social Communication Systems 



Financial support for this work was provided, by a grant from the ANR Chorus 2011(project BTAFDOC), and by a grant of Institut des Sciences Complexes (2014-ISC-PIF petits et moyens équipements).


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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.CHArt (P-A-R-I-S), Paris 8 and University and EPHEParisFrance
  2. 2.Institut J. Nicod, ENSParisFrance
  3. 3.University of Cergy-PontoiseCergyFrance

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