Dianne C. Berry Laurie T. Butler Fiorella de Rosis Evaluating a realistic agent in an advice-giving task. 304-327 2005 63 International Journal of Man-Machine Studies 3 http://dx.doi.org/10.1016/j.ijhcs.2005.03.006 db/journals/ijmms/ijmms63.html#BerryBR05