Paul Fabian – Doctoral thesis successfully defended

Paul Fabian, research fellow in the working group of Prof. Bos and project manager of the National Educational Panel Study (NEPS) – Stage 4 “From Lower to Upper Secondary School” successfully defended his doctoral thesis in the field of educational sciences today. His doctoral thesis deals with “Consolidation of performance, increase of performance – or something completely different? Effects of  grade retentions on performance development”. Congratulations!