Efthymiou, FotiosFotiosEfthymiouHildebrand, Christian AlexanderChristian AlexanderHildebrand2023-04-132023-04-132022https://www.alexandria.unisg.ch/handle/20.500.14171/109250enDesigning Vulnerable Conversational AI: The Impact of Trembling Vocal Cues on Empathic Concern and Prosocial Behaviorconference paper