Authors: Ruscello DM, Cartwright LR, Haines KB, Shuster LI
Title: The Use of Different Service Delivery Models for Children with Phonological Disorders
Source: Journal of Communication Disorders 1993 26(3): 193-203
Year: 1993
Research Design: Randomised Controlled Trial
Rating Score: 02/10
This rating is confirmed
Eligibility specified - N
Random allocation - Y
Concealed allocation - N
Baseline comparability - N
Blind subjects - N
Blind therapists - N
Blind assessors - N
Adequate follow-up - N
Intention-to-treat analysis - N
Between-group comparisons - Y
Point estimates and variability - N

A group of 12 preschool children with phonological process errors was selected, and individual subjects were randomly assigned to one of two treatments that differed in relation to service delivery. Group I received a treatment that was administered exclusively by the clinician. Group II received a combination that included clinician administered treatment and parent administered instruction with the Speech Viewer system. Results indicate that both groups improved significantly, but they did not differ significantly from each other in the degree of change. Implications with respect to the service delivery options and their respective components are discussed.

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