Evaluation of methods and techniques for conversational and multimodal spoken dialogue systems is complex, as is gathering data for the modeling and tuning of such techniques. This article describes MushyPeek, an experiment framework that allows us to manipulate the audiovisual behavior of interlocutors in a setting similar to face-to-face…

Investigates the nature of threats and their responses as collaborative units in children's discourse. Research indicates that girls prefer withhold-object or action and harm-threats while boys focus exclusively on harm-threats. Younger children produce more threats than older children, and threats occur more frequently in child-directed settings…

Investigates the hypothesis that letters to lower-status recipients would consist of a greater number of more familiar modes than letters to higher-status recipients and that letters to recipients of high solidarity with the writer would consist of a greater number of more familiar modes than letters to recipients of low solidarity with the…

This paper explores two related factors which influence variation in duration, prosodic structure and redundancy in spontaneous speech. We argue that the constraint of producing robust communication while efficiently expending articulatory effort leads to an inverse relationship between language redundancy and duration. The inverse relationship…