Our publications below report results with respect to posture-affect interaction effects on the user's level of persistence on a subsequent task, and their perceived comfort while using RoCo during the experiment.
Cynthia Breazeal & Rosalind Picard (2006). "Affective Robotics," In R. Parasuraman and M. Rizzo (eds.) Neuroergonomics: The Brain at Work, Oxford University Press.

Andrew Wang (2006), A Physically Animated Desktop Computer for Ergonomic and Affective Movement, May 2006. M. Eng. Department of EECS.

Hyung-il Ahn, Alea Teeters, Andrew Wang, Cynthia Breazeal, Rosalind Picard (2007). “Stoop to Conquer: Posture and Affect Interact to Influence Computer Users' Persistence”. Proceedings of Affective Computing and Intelligent Interaction (ACII07). (Lisbon, Portugal).

Cynthia Breazeal, Andrew Wang, and Rosalind Picard (2007). “Experiments with a Robotic Computer: Body, Affect and Cognition Interactions”. In Proceeding of the ACM/IEEE international Conference on Human-Robot interaction (Arlington, Virginia, USA, March 10 - 12, 2007). HRI '07. ACM Press, New York, NY, 153-160.