@article{Ivaldietal17, title = {Towards Engagement Models that Consider Individual Factors in HRI: On the Relation of Extroversion and Negative Attitude Towards Robots to Gaze and Speech During a Human-Robot Assembly Task}, author = {Ivaldi, S. and Lefort, S. and Peters, J. and Chetouani, M. and Provasi, J. and Zibetti, E.}, journal = {International Journal of Social Robotics}, volume = {9}, number = {1}, pages = {63--86}, year = {2017}, doi = {10.1007/s12369-016-0357-8} }