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Direct linkRitchie, Stuart J.; Bates, Timothy C.; Plomin, Robert – Child Development, 2015
Evidence from twin studies points to substantial environmental influences on intelligence, but the specifics of this influence are unclear. This study examined one developmental process that potentially causes intelligence differences: learning to read. In 1,890 twin pairs tested at 7, 9, 10, 12, and 16 years, a cross-lagged…
Descriptors: Intelligence, Twins, Environmental Influences, Child Development
