Article
Genetic and Environmental Influences on Pubertal Development: Longitudinal Data From Finnish Twins at Ages 11 and 14.
1 Jan 2004
Abstract excerpt
To study sources of individual differences in pubertal development, the authors fit a sex-limitation common factor model to data reported, at ages 11 and 14 years, by 1,891 twin pairs on items that comprise the Pubertal Development Scale (PDS; A. C. Petersen, L. Crockett, M. Richards, & A. Boxer, 1988). The model divides variation into a general pubertal factor and item-specific variation and, in addition,...
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