Early detection of students at risk - predicting student dropouts using administrative student data and machine learning methods
Wuppertal : Bergische Universität Wuppertal, February 2018
The effect of free primary school choice on ethnic groups
evidence from a policy reformWuppertal : Bergische Univ. Wuppertal, 2011Extracurricular educational programs and school readiness
evidence from a quasi-experiment with preschool childrenWuppertal : Bergische Univ. Wuppertal, 2014