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The Psychometric Evaluation of a Speech Production Test Battery for Children: The Reliability and Validity of the Computer Articulation Instrument

van Haaften, L., Diepeveen, S., van den Engel-Hoek, L., Jonker, M., de Swart, B. & Maassen, B., Jul-2019, In : Journal of Speech Language and Hearing Research. 62, 7, p. 2141-2170 30 p.

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  • The Psychometric Evaluation of a Speech Production Test Battery for Children

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DOI

  • Leenke van Haaften
  • Sanne Diepeveen
  • Lenie van den Engel-Hoek
  • Marianne Jonker
  • Bert de Swart
  • Ben Maassen

Purpose: The aims of this study were to assess the reliability and validity of the Computer Articulation Instrument (CAI), a speech production test battery assessing phonological and speech motor skills in 4 tasks: (1) picture naming, (2) nonword imitation, (3) word and nonword repetition, and (4) maximum repetition rate (MRR).

Method: Normative data were collected in 1,524 typically developing Dutch-speaking children (aged between 2; 0 and 7; 0 [years; months]). Parameters were extracted on segmental and syllabic accuracy (Tasks 1 and 2), consistency (Task 3), and syllables per second (Task 4). Interrater reliability and test-retest reliability were analyzed using subgroups of the normative sample and studied by estimating intraclass correlation coefficients (ICCs). Construct validity was investigated by determining age-related changes of test results and factor analyses of the extracted speech measures.

Results: ICCs for interrater reliability ranged from sufficient to good, except for percentage of vowels correct of picture naming and nonword imitation and for the MRRs for bisyllabic and trisyllabic items. The ICCs for test-retest reliability were sufficient (picture naming, nonword imitation) to insufficient (word and nonword repetition, MRR) due to larger-than-expected normal development and learning effects. Continuous norms showed developmental patterns for all CAI parameters. The factor analyses revealed 5 meaningful factors: all picture-naming parameters, the segmental parameters of nonword imitation, the syllabic structure parameters of nonword imitation, (non) word repetition consistency, and all MRR parameters.

Conclusion: Its overall sufficient to good psychometric properties indicate that the CAI is a reliable and valid instrument for the assessment of typical and delayed speech development in Dutch children in the ages of 2-7 years.

Original languageEnglish
Pages (from-to)2141-2170
Number of pages30
JournalJournal of Speech Language and Hearing Research
Volume62
Issue number7
Publication statusPublished - Jul-2019

    Keywords

  • MAXIMUM PERFORMANCE-TASKS, NONWORD REPETITION, CHILDHOOD APRAXIA, NORMATIVE DATA, PHONOLOGICAL DEVELOPMENT, DEVELOPMENTAL APRAXIA, LANGUAGE IMPAIRMENT, PRESCHOOL-CHILDREN, VARIABILITY, DISORDERS

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