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A nonword repetition task for speakers with misarticulations: the Syllable Repetition Task (SRT)
Lawrence D Shriberg1, Heather L Lohmeier, Thomas F Campbell
1Waisman Center, University of Wisconsin-Madison, Madison, WI, USA. shriberg@waisman.wisc.edu
Summary
The Syllable Repetition Task (SRT) is a new nonword repetition task that removes speech sound confounds for children with speech disorders. It is a valid tool for assessing speech processing and language impairment.
Area of Science:
- Speech-language pathology
- Linguistics
- Developmental psychology
Background:
- Nonword repetition tasks (NRTs) can be confounded by articulation errors.
- Existing NRTs may not accurately assess speech processing in children with speech sound disorders.
Purpose of the Study:
- Introduce the Syllable Repetition Task (SRT) to eliminate confounds in nonword repetition tasks.
- Validate the SRT through three distinct studies.
Main Methods:
- Developed the SRT using early-developing speech sounds.
- Administered the SRT and a standard NRT to 95 preschool children with speech delay and 63 with typical speech.
Main Results:
- The SRT successfully eliminated speech sound confounds in nonword testing.
- SRT accuracy in identifying expressive language impairment was comparable to the NRT.
- The SRT demonstrated potential for investigating speech processing constraints.
Conclusions:
- The SRT is a psychometrically stable and informative tool for research.
- The SRT is suitable for studies involving children with articulation impairments.
- Findings support memorial and auditory-perceptual constraints in speech-language impairment.
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