Work

The genetic architecture of oral language, reading fluency, and reading comprehension: A twin study from 7 to 16 years.

Year: 2017

Type: article

Abstract: = .81-.87, at 12 and 16). This pattern is even clearer in a latent factors model, fit to the data aggregated across ages, in which a single factor representing oral language and reading comprehension is correlated with-but distinct from-a second factor representing reading fluency. A distinction between oral language and reading fluency is also apparent in different developmental trajectories: While the heritability of oral language increases over the period from 7 to 12 to 16 years (from h² = .27 to .47 to .55), the heritability of reading fluency is high and largely stable over the same period of time (h² = .73 to .71 to .64). (PsycINFO Database Record

Source: Developmental Psychology

DOI: 10.1037/dev0000297

Authors: Maria G. Tosto, Marianna E. Hayiou-Thomas, Nicole Harlaar, Elizabeth Prom-Wormley, Philip S. Dale, Robert Plomin