https://phys.org/news/2018-06-religiosity-role-success-immigrant-children.html > Carol and Schulz instead focused on the significance of religiosity for school achievement and as a motor of educational mobility. "We wanted to find out whether or not religious organizations offer young people orientation and support and whether or not religiosity promotes greater self-control," says Sarah Carol. Both aspects are positively correlated with educational success. > The researchers used data collected by the German National Education Panel Study (NEPS) to test their hypotheses regarding Muslim and Christian children with a migration background. As indicators for educational achievement, the study relied mostly on the results of math tests. The degree of religiosity and belonging to a religious community was gauged using a questionnaire. The parents' country of origin (Turkey, former Soviet Union, eastern Europe, southern Europe, western Europe, Asia, others) provided the necessary information regarding the children's migration background.