William L. Coventry

Estimating the Heritability of Intelligence with a Nuclear Twin Family Design

Intelligence, and the favorable life outcomes with which it is associated, are not shared equally between individuals or groups. In an endeavor to better understand the inequality, behavioral genetics (BG) have employed the classical twin design (CTD) to apportion the variability...

Are Socioeconomic Status and Time in Preschool Mediators of Shared Environment Variance in Reading Ability?

While socioeconomic status (SES), time in preschool (TiP) and their interaction are related to reading ability, the results have been mixed. This study assessed whether the shared environment mediated these associations using a longitudinal behavior genetic design. Further, this...