Hannele Nicholson

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This paper introduces a novel corpus of natural language dialogues obtained from humans performing a cooperative, remote, search task (CReST) as it occurs naturally in a variety of scenarios (e.g., search and rescue missions in disaster areas). This corpus is unique in that it involves remote collaborations between two interlocutors who each have to perform(More)
This paper addresses the causes of disfluency. Disfluency has been described as a strategic device for intentionally signalling to an interlocutor that the speaker is committed to an utterance under construction [14, 21]. It is also described as an automatic effect of cognitive burdens, particularly of managing speech production during other tasks [6]. To(More)
Speakers engaging in dialogue with another conversationalist must create and execute plans with respect to the content of the utterance. An analysis of disfluencies from Map Task monologues shows that a speaker is influenced by the pressure to communicate with a distant listener. Speakers were also subject to time-pressure, thereby increasing the cognitive(More)
We investigate disfluency distribution rates within different moves from an interactive task-oriented experiment to further explore the suggestion by Bortfeld et al. [1] and Nicholson [2] that different types of disfluencies may fulfill varying functions. We focus on disfluency types within moves, or speech turns, where a speaker initiates something(More)
1 Introduction Previous experiments indicate that prosody may facilitate memory for spoken utterances. Memory load, however, has not been systematically manipulated and may interact with such facilitating effects. Therefore, subjects were asked to listen to connected prose passages between one to five intonation phrases long and to repeat as much of each(More)
Previous research on disfluency types has focused on their distinct cognitive causes, prosodic patterns, or effects on the listener [9, 12, 17, 21]. This paper seeks to add to this taxonomy by providing a psycholinguistic account of the dialogue and gaze behaviour speakers engage in when they make certain types of disfluency. Dialogues came from a version(More)
We report the results of a study investigating speakers' and addressees' coordination of understanding in face-to-face narrative dialogue. Analyses of the occurrence of addressees' acknowledgments and exemplifications of understanding showed that nonverbal forms consistently coincided with the speakers' gaze on their face. In contrast, there was less(More)
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