Spoken versus typed human and computer dialogue tutoring

Diane J. Litman, Carolyn P. Rosé, Kate Forbes-Riley, Kurt Vanlehn, Dumisizwe Bhembe, Scott Silliman

Research output: Contribution to journalArticlepeer-review

16 Scopus citations


While human tutors typically interact with students using spoken dialogue, most computer dialogue tutors are text-based. We have conducted 2 experiments comparing typed and spoken tutoring dialogues, one in a human-human scenario, and another in a human-computer scenario. In both experiments, we compared spoken versus typed tutoring for learning gains and time on task, and also measured the correlations of learning gains with dialogue features. Our main results are that changing the modality from text to speech caused large differences in the learning gains, time and superficial dialogue characteristics of human tutoring, but for computer tutoring it made less difference.

Original languageEnglish (US)
Pages (from-to)368-379
Number of pages12
JournalLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
StatePublished - Dec 1 2004
Externally publishedYes

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science


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