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Download full textButz, William P.; Greenberg, David H. – 1975
A model for estimating the economic value of children is presented in this report designed to assist researchers of the less developed nations in assessing: amount and distribution of children's contribution to national output; the economic benefits of health, nutrition, and schooling changes; the persistence of rural people in having large…
Descriptors: Child Role, Children, Developing Nations, Economic Factors
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
