Klapproth, F., S. Krolak-Schwerdt, S. Glock, M. Böhmer, and R. Martin. “The Predictive Validity of School Placement Decisions in Luxembourg: A Comparison Between Track Continuation Rates and Test Scores”. Swiss Journal of Educational Research, vol. 35, no. 2, Sept. 2018, pp. 319-46, doi:10.24452/sjer.35.2.4914.