Quantitative assessment of second language learners' fluency: comparisons between read and spontaneous speech.

Full Abstract

This paper describes two experiments aimed at exploring the relationship between objective properties of speech and perceived fluency in read and spontaneous speech. The aim is to determine whether such quantitative measures can be used to develop objective fluency tests. Fragments of read speech (Experiment 1) of 60 non-native speakers of Dutch and of spontaneous speech (Experiment 2) of another group of 57 non-native speakers of Dutch were scored for fluency by human raters and were analyzed by means of a continuous speech recognizer to calculate a number of objective measures of speech quality known to be related to perceived fluency. The results show that the objective measures investigated in this study can be employed to predict fluency ratings, but the predictive power of such measures is stronger for read speech than for spontaneous speech. Moreover, the adequacy of the variables to be employed appears to be dependent on the specific type of speech material investigated and the specific task performed by the speaker.

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Author information

Author/s: Cucchiarini, Catia (C); Strik, Helmer (H); Boves, Lou (L);

Affiliation: Department of Language and Speech, University of Nijmegen, The Netherlands. c.cucchiarini@let.kun.nl

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: The Journal of the Acoustical Society of America (J Acoust Soc Am), published in United States. (Language: eng)

Reference: 2002-Jun; vol 111 (issue 6) : pp 2862-73

Dates: Created 2002/06/26; Completed 2002/08/06; Revised 2006/12/27;

PMID: 12083220, status: MEDLINE (last retrieval date: 11/6/2008)

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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