Abstract
The focus of this cross-sectional study was the investigation of Speech Naturalness (speech that sounds normal or natural to the listener) of 60 normal speaking children and adolescents between the ages of 8 and 16 years. 26 naive adult listeners rated the naturalness of videotaped and computer-presented speech samples, using a 9-point-Likert rating scale (1: highly natural sounding speech and 9: highly unnatural sounding speech). The children and adolescents who participated as speakers were distributed among 5 age groups (8, 10, 12, 14, and 16 yr.) with 6 boys and 6 girls in each group. Each child demonstrated normal articulation, language, voice, and speech fluency skills. Age and sex comparisons indicated boys' and girls' speech was rated comparably; however, 8-yr.-olds' speech was rated as significantly less natural than those of 12-, 14-, and 16-yr.-olds. Preliminary ratings of Speech Naturalness for normal speaking children were presented. Suggestions for the clinical application of the findings as a target criterion in treatment programs with communicatively impaired children were suggested. Replication with a larger and more representative sample is in order.
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