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Supplementary Material for: Protocol for the Connected Speech Transcription of Children with Speech Disorders: An Example from Childhood Apraxia of Speech

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posted on 03.07.2019, 12:43 by Barrett C., McCabe P., Masso S., Preston J.
Objective: While it is known that connected speech has different features to single-word speech, there are currently few recommendations regarding connected speech transcription. This research therefore aimed to develop a clinically feasible protocol for connected speech transcription. The protocol was then used to assist with description of the connected speech of children with childhood apraxia of speech (CAS), as little is known about their connected speech characteristics. Participants and Methods: Following a literature review, the Connected Speech Transcription Protocol (CoST-P) was iteratively developed and trialled. The CoST-P was then used to transcribe 50 connected utterances produced by 12 children (aged 6–13 years) with CAS. The characteristics of participants’ connected speech were analysed to capture independent and relational analyses. Results: The CoST-P was developed, trialled, and determined to have adequate reliability and fidelity. The frequency of inter-word segregation (mean = 29) was higher than intra-word segregation (mean = 4). Juncture accuracy was correlated with intelligibility metrics such as percentage of consonants correct. Conclusion: Connected speech transcription is challenging. The CoST-P may be a useful resource for speech-language pathologists and clinical researchers. Use of the CoST-P assisted in displaying CAS speech characteristics unique to connected speech (e.g., inter-word segregation and juncture).