Swedish Test of Intelligibility for Children (STI-CH) - Validity and reliability of a computer-mediated single word intelligibility test for children

Abstract The aim of this study was twofold: first, to describe a new Swedish intelligibility test (Swedish Test of Intelligibility for Children, STI-CH) and second to evaluate its validity and reliability. STI-CH is based on the repetition of single words. Ten children with a speech-sound disorder (...

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Bibliographic Details
Published in:Clinical linguistics & phonetics 2015-03, Vol.29 (3), p.201-215
Main Authors: Lagerberg, Tove B., Hartelius, Lena, Johnels, Jakob Åsberg, Ahlman, Anna-Karin, Börjesson, Andrea, Persson, Christina
Format: Article
Language:English
Subjects:
Articulation Disorders - diagnosis
Articulation Disorders - therapy
Assessment
Audiology & Speech-Language Pathology
Child
Diagnosis, Computer-Assisted - statistics & numerical data
DISORDERS
Female
Humans
intelligibility
Linguistics
Male
Oto-rino-laryngologi
Otorhinolaryngology
Phonetics
Psychometrics - statistics & numerical data
Rehabilitation
Reproducibility of Results
Semantics
speech
Speech Acoustics
Speech Articulation Tests - statistics & numerical data
speech disorders
Speech Intelligibility
Sweden
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Summary:Abstract The aim of this study was twofold: first, to describe a new Swedish intelligibility test (Swedish Test of Intelligibility for Children, STI-CH) and second to evaluate its validity and reliability. STI-CH is based on the repetition of single words. Ten children with a speech-sound disorder (4:6-8:3 years of age, mean = 6.0 years) and 10 children with typical speech and language development (4:8-7:4 years of age, mean = 5.9 years) were included. Twenty speech-language pathology students served as listeners. Intra-judge reliability was high (r > 0.92), as was the intra-class correlation of inter-judge reliability (0.97). In terms of validity, there was a significant difference in STI-CH scores between the two groups, and the scores correlated statistically significantly with the Percentage of Consonants Correct (r = 0.94) and with intelligibility in spontaneous speech (r = 0.85). To sum up, the results indicate that STI-CH could be an option for the assessment of intelligibility in Swedish-speaking children, and that the principles used in the development of the test could be of use in the design of intelligibility tests in languages other than Swedish.
ISSN:0269-9206
1464-5076
DOI:10.3109/02699206.2014.987925