Görtz, MatthiasMandl, ThomasArévalo, LuisWomser-Hacker, ChristaThilo Paul-Stueve2017-11-222017-11-222007978-3-86068-319-4https://dl.gi.de/handle/20.500.12116/7457Embodied conversational agents may add value to speech dialogues within driver information systems. The experiment reported in this paper, compares a speech controlled driver information system developed by Blaupunkt GmbH with a prototype enhanced with a virtual character provided by Charamel GmbH. An expert evaluation and a usability study were conducted in order to determine whether an anthropomorphic interface leads to a more effective dialogue and to a higher level of user acceptance.enText/Conference Paper