Little is known about the underlying causes and developmental patterns of stability and change in early reading abilities. In a longitudinal study of twins (n=4,291 pairs), individual differences in reading achievement assessed by teachers using U.K. National Curriculum (NC) criteria showed substantial heritabilities at ages 7, 9, and 10 years…

Background: Recent government papers have expressed concern about the poor educational attainment of "looked after" children. Early reading development has been found to be significant in their subsequent academic achievement. The possibility that biosocial factors extraneous to their experiences in public care may underpin their low…