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The Psychometrics Centre

University of Cambridge Judge Business School

Studying at Cambridge


Dr Anna Doebler


Anna Doebler was an Academic Visitor at the University of Cambridge. Anna is studying for her PhD in psychometrics in the group of Professor Heinz Holling at the University of Münster on a Scholarship provided by "Studienstiftung des Deutschen Volkes", the German National Foundation. She brings to psychometrics a robust mathematical background, having originally studied mathematics and physics at the University of Heidelberg, with an emphasis on mathematical logic, winning an award for excellence from the German Mathematics Society in 2001. She graduated from the University of Munster in 2005, receiving a distinction for her thesis "Zur Stärke topologischer Regularitätsaxiome auf der Basis zweistufiger Arithmetik".

Anna mainly works in the field of pure psychometrics: Item Response Theory, mixed models, optimal designs and adaptive testing.  She is the author of a book chapter on point estimation and her first scientific article, concerning optimal designs for the linear random coefficient regression model, will be published in the Journal of Statistical Planning and Inference. Anna is currently implementing a simulation study in R to find out more about the effect of imprecisely calibrated items on person parameter estimation within the LLTM in the context of adaptive testing. Anna's other interests include the philosophy of mathematics, nature, therapeutic horseback riding and the joy of being a mother.