The genetic and environmental origins of individual differences in mathematical self-evaluation over time and its association with later mathematics achievement were investigated in a UK sample of 2138 twin pairs at ages 9 and 12. Self-evaluation indexed how good children think they are at mathematical activities and how much they like those…

Current approaches in intelligence research indicate the need for a more extensive determination of characteristics of children with possible giftedness, not only at an intellectual level, but also at the level of self-regulation and motivation. The present study compares self-regulation efficiency between high-IQ and average-ability children aged…