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Effectiveness of speech intervention for phonological disorders: a randomized controlled trial
1Speech Pathology Department, Woodstock General Hospital, Ontario, Canada.
Developmental Medicine and Child Neurology
|June 18, 1998
Summary
Preschool children with severe phonological disorders improved significantly with early speech therapy. Treatment benefits, including better articulation and speech intelligibility, were evident after four months of intervention.
Area of Science:
- Speech-Language Pathology
- Developmental Pediatrics
- Childhood Communication Disorders
Background:
- Severe phonological disorders impact preschool children's speech development.
- Early intervention is crucial for addressing these communication challenges.
- Understanding the optimal timing and duration of speech therapy is essential.
Observation:
- Thirty preschool children with severe phonological disorders were divided into two groups.
- Group 1 received immediate treatment, while Group 2 received delayed treatment.
- Standardized assessments measured phonological processes, articulation, and language skills.
Findings:
- Group 1 demonstrated significant improvements in phonological measures (APP-R, GFTA, PCC) after 4 months.
- Conversational speech intelligibility was significantly higher in Group 1 at 8 months.
- No significant differences in expressive language were detected, though Group 1 consistently scored higher.
Implications:
- Early initiation of speech therapy yields measurable benefits for phonological disorders.
- Treatment duration and timing influence speech intelligibility outcomes.
- Further research may explore the long-term effects on expressive language development.