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Download full textRobb, Michael P.; Saxman, John H. – 1983
A study of fundamental vocal frequency values in 14 children aged 11 to 25 months, an age period characterized by changes in physiological and linguistic development, is reported. A developmental trend downward in vocal frequencies is traced across a number of previous studies, but is only tentative and is not documented in the age group under…
Descriptors: Acoustic Phonetics, Age Differences, Developmental Stages, Infants
Wood, Chip – 1997
Expanded from its previous edition to include ages 13 and 14, this book provides teachers and parents with a quick reference on important childhood developmental issues, explaining what children should be learning and doing in the classroom at each developmental stage. The book begins by discussing how developmental issues can affect…
Descriptors: Adolescent Development, Adolescents, Age Differences, Child Development
