Reading Development in Young Children: Genetic and Environmental Influences

The development of reading skills in typical students is commonly described as a rapid growth across early grades of active reading education, with a slowing down of growth as active instruction tapers. This study examined the extent to which genetics and environments influence these growth rates. Participants were 371 twin pairs, aged approximately 6 through 12, from the W estern R eserve R eading P roject. Development of word‐level reading,...