Children's exposure to book reading is thought to be an influential input into positive cognitive development. Yet there is little empirical research identifying whether it is reading time per se, or other factors associated with families who read, such as parental education or children's reading skill, that improves children's achievement. Using…

Used a person-centered analytic strategy with data from Youth Development Study to describe configurations of time use through the high school years. Found that students highly engaged in multiple domains tended to remain so across grade. Students focused on one or two domains frequently changed commitments, school plans, grade point average,…