Daniel T. Levin Stephen S. Killingsworth Megan M. Saylor Concepts about the capabilities of computers and robots: a test of the scope of adults' theory of mind. 57-64 2008 HRI http://doi.acm.org/10.1145/1349822.1349831 conf/hri/2008 db/conf/hri/hri2008.html#LevinKS08