Dr. Ummugul Bezirhan
Senior Research Specialist, Measurement and Data Analysis
Dr. Ummugul Bezirhan contributes software transition project for psychometric scaling of the PIRLS assessment and is a part of the TIMSS process data research group.
She completed her PhD in Measurement, Evaluation and Applied Statistics at Columbia University. Her research is mainly focused on extending and implementing latent response models utilizing process data from large scale assessments. She previously gained professional experience as a psychometrics intern at National Board of Medical Examiners (NBME) and American Institutes of Research (AIR) and as a data scientist intern at NBCUniversal.