of children from poorer families …

, we find that the children of persons affected in utero also have lower cognitive scores, suggesting a persistent …

using scores from IQ tests taken outside of school, at the time of military enrolment, and measured when students are around …

While recent research finds strong evidence that birth order affects children's outcomes such as education, IQ scores …

two children with the same mother but where a parent of the mother died during one of the pregnancies--augmented with a …