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Developmental Changes in Laryngeal and Respiratory Function with Variations in Sound Pressure Level.
Peer reviewedStathopoulos, Elaine T.; Sapienza, Christine M. – Journal of Speech, Language, and Hearing Research, 1997
The development of the speech production system was investigated among 120 children (ages 4-14 years) and 20 adults. Aerodynamic and acoustic results suggest that men and 14-year-old boys function differently than women and all other groups of children. Data generally suggest that laryngeal and respiratory behavior of children is not easily…
Descriptors: Adults, Age Differences, Articulation Impairments, Child Language
Download full textAvolio, Bruce J.; Panek, Paul E. – 1981
This document addresses the problems facing researchers who are involved in evaluating worker potential across the life-span, including that most evidence focusing on differential job ability levels within age classifications has come from empirical investigations concerning functional age. A critique of the functional age approach is presented…
Descriptors: Age Differences, Age Groups, Aging (Individuals), Employment Qualifications
