Klapproth, Florian, Sabine Krolak-Schwerdt, Sabine Glock, Matthias Böhmer, and Romain Martin. “The Predictive Validity of School Placement Decisions in Luxembourg: A Comparison Between Track Continuation Rates and Test Scores.”. Swiss Journal of Educational Research 35, no. 2 (September 26, 2018): 319-346. Accessed July 9, 2020. https://bop.unibe.ch/sjer/article/view/4914.