Abstract
It was hypothesized that the voices of children with Down's syndrome would be perceived as younger than their true chronological age and that perceptual auditors would have considerable difficulty in identifying the correct sex of these children by voice alone. Perceived age and sex were investigated in 20 institutional children with Down's syndrome who were matched for sex and age with a control group of 20 normal children. Randomized matched verbal samples were played backwards to a group of 16 listener/judges who rated the samples as to age and sex. The results indicated that the voices of these Down syndrome children were perceived as being more than 2 yr. younger than their group mean age and that there was a negative correlation between the biological sex of such children and their perceived sex.
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