Hacettepe Üniversitesi, Eğitimde Ölçme ve Değerlendirme
“Item pool management in adaptive testing: lessons from a decade”
Works on item response theory and computerised adaptive testing. Served on the technical committees of two national large-scale assessments.
ODTÜ, Psikoloji Bölümü
“Measurement invariance: when is it really a problem?”
Works on scale development and measurement invariance, with publications on structural equivalence in cross-cultural comparisons.
Ölçme, Seçme ve Yerleştirme Merkezi
“From test data to policy: where reporting breaks down”
Responsible for data quality and reporting in large-scale examinations.
University of California, Berkeley
“Measuring learning progressions with construct maps”
One of the developers of the construct mapping approach; founder of the BEAR Assessment System.