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Direct linkBenson, Janel E.; Elder, Glen H., Jr. – Developmental Psychology, 2011
Developmental and life course studies of young adult identities have focused on 2 dimensions: subjective age and psychosocial maturity. This study examines the developmental synchrony of these 2 processes. In a longitudinal sample of young adults from Add Health (ages 18-22), a person-centered analysis of indicators of these dimensions identified…
Descriptors: Young Adults, Adolescents, Profiles, Longitudinal Studies
Fox, Robert Allen; Nissen, Shawn L. – Journal of Speech, Language, and Hearing Research, 2005
This investigation is a comprehensive acoustic study of 4 voiceless fricatives (/f [theta] s [esh]/) in English produced by adults and pre-and postpubescent children aged 6-14 years. Vowel duration, amplitude, and several different spectral measures (including spectral tilt and spectral moments) were examined. Of specific interest was the pattern…
Descriptors: Vowels, Discriminant Analysis, Acoustics, Children
