Boris E. R. de Ruyter Privender Saini Panos Markopoulos Albert J. N. van Breemen Assessing the effects of building social intelligence in a robotic interface for the home. 522-541 2005 17 Interacting with Computers 5 http://dx.doi.org/10.1016/j.intcom.2005.03.003 db/journals/iwc/iwc17.html#RuyterSMB05