Having attention problems in infant school (kindergarten) could lead to lower high-school grades years later. Researchers from the University of California Davis School of Medicine followed 700 children from the ages of 5-6 to the end of high-school (17-18). The study looked at the relationship between aggressive, inattentive and depressive behaviours at the start of the study and children's later performance on standardized high-school achievement tests. The researchers found that inattentiveness in infant school was the only behaviour that consistently predicted lower scores in reading and maths tests at the end of high-school regardless of the children's IQ.
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