Education

• 2007-2012 Studium Diplompsychologie, Universität Trier

Professional career

• Since July 2012 Research Assistant in the DFG-project on "Modeling missing data in competence tests" granted in the DFG-priority programm "Education as a Lifelong Process" (PO1655/1-1)
• 2011/2012 Tutor for statistics in SPSS im Fachbereich Psychologie der Universität Trier

Memberships

• German Psychological Society (DGPs)    

Teaching

• SS 14 Seminar IRT-Models: Theory and application

• WS 12/13 Seminar "Applied Statistics I" (University Bamberg)

• SS 13 Seminar "Applied Statistics II" (University Bamberg)

Workshops

• 2015, January: Workshop „Introduction into Item Response Theory” at the International Centre for Higher Education Research (INCHER), Kassel, Germany

Research interests

• Dealing with missing responses in large scale assessments
• Item Response Theory
• Generalized linear models (GLM)
• Hierarchical linear modeling (HLM)

Journal Articles

• Köhler, C., Pohl, S., & Carstensen, C. H. (in press). Investigating mechanisms for missing responses in competence tests. Psychological Test and Assessment Modeling.

• Köhler, C., Pohl, S., & Carstensen, C. H. (in press). Taking the missing propensity into account when estimating competence scores – Evaluation of IRT models for non-ignorable omissions. Educational and Psychological Measurement. doi: 10.1177/0013164414561785

Diploma thesis

• Köhler, C. & Böhnke, J. (2012). Kann das Rasch-Modell Abweichungen bei der Vorhersage von Psychotherapieverläufen erklären? Unpublished diploma thesis, University of Trier.

Presentations

• Köhler, C., Pohl, S., & Carstensen, C. H. (2014, December). Missing responses in competence tests. Presentation at the final conference of the first funding phase of the SPP1646 Priority Programme „Education as a lifelong process“, Bamberg, Germany.

• Köhler, C. (2014, September). Die Plage der fehlenden Werte. Science slam presentation at the 49th Congress of the German Society of Psychology, Bochum, Germany.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2014, September). Umgang mit fehlenden Werten in Kompetenztestdaten. Presentation at the 49th Congress of the German Society of Psychology, Bochum, Germany.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2014, July). Investigating the mechanisms for missing responses in competence tests. Presentation at the 6th European Congress of Methodology of the European Association of Methodology (EAM), Utrecht, Netherlands.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2014, April). Investigating mechanisms for missing responses in competence tests. Presentation at the 2nd colloquium of the SPP1646 Priority Programme „Education as a lifelong process“, Florece, Italy.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2014, March). Untersuchung der Tendenz zu fehlenden Werten in Kompetenztests. Presentation at the 2nd conference of the Society for Educational Research (GEBF), Frankfurt a.M., Germany.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2013, September). Taking the tendency to omit items into account when estimating competence scores. Presentation at the SPP1646 Summer School „Educational Trajectories and Competence Development – Theoretical Concepts and Methodological Implementations“, Bamberg, Germany.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2013, September). Berücksichtigung der Tendenz zum Überspringen von Aufgaben bei der Schätzung von Kompetenzwerten . Presentation at the 11th conference of the special interest group Methods and Evaluation of the German Psychological Society (DGPs), Klagenfurt, Austria.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2013, April). Investigation of the tendency to omit items in competence tests. Presentation at the 1st colloquium of the SPP1646 Priority Programme „Education as a lifelong process“, Bamberg, Germany.

• Köhler, C., Pohl, S., & Carstensen, C. H. (2013, March). Untersuchung der Tendenz zum Überspringen von Aufgaben in Kompetenztests. Presentation at the 1st young academics conference of the Society for Educational Research (GEBF), Kiel, Germany.

• Pohl, S., Carstensen, C. H., Köhler, C. (2012, May). Modeling missing data in competence tests. Presentation at the opening meeting of the SPP1646 Priority Programme „Education as a lifelong process“, Bamberg, Germany.