High-intensity vs Low-intensity Speech Intervention in Children With Phonological Speech Sound Disorders
The Short- and Long-Term Effects and Cost-Effectiveness of High-Intensity Versus Low-Intensity Speech Intervention in Children With Phonological Speech Sound Disorders.
University Ghent
80 participants
Nov 30, 2025
INTERVENTIONAL
Conditions
Summary
Achieving speech that is understandable and acceptable to others is the key outcome in the treatment of phonological speech sound disorders. Therefore, speech therapy provided by a speech-language pathologist is essential. Traditionally, this intervention has been delivered twice per week for 30 minutes, often over the course of several months or even years, by first-line speech-language pathologists. Unfortunately, this low-intensity approach is largely based on historical practice rather than scientific evidence. The current study aims to provide stronger evidence regarding the optimal intensity of intervention. Specifically, this project will compare the effects of high-intensity and low-intensity speech intervention in children with phonological speech sound disorders in terms of speech outcomes, quality of life, and cost-utility. The interventions will be provided by first-line speech-language pathologists within a large-scale randomized controlled trial. The ultimate goal is to implement this program in clinical practice and raise awareness among stakeholders about its benefits for children with phonological speech sound disorders
Eligibility
Plain Language Summary
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Interventions
Children will receive phonological speech therapy supplemented by phonetic principles. A next level will be introduced when the child is able to correctly produce the sound in 80% of the time with minimal cues from the therapist. Multiple errors will be targeted simultaneously by focusing on a process. Child-friendly games will be played to illustrate the contrast between concepts. Exercises will be embedded in meaningful language contexts such as minimal pairs. Therapy will be provided 5 times 30' per week for 2 times 2 weeks.
Children will receive phonological speech therapy supplemented by phonetic principles. A next level will be introduced when the child is able to correctly produce the sound in 80% of the time with minimal cues from the therapist. Multiple errors will be targeted simultaneously by focusing on a process. Child-friendly games will be played to illustrate the contrast between concepts. Exercises will be embedded in meaningful language contexts such as minimal pairs. Therapy will be provided 5 times 30' per week for 10 consecutive weeks.
Locations(1)
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NCT07779759