Prof. Dr. Steffi Pohl

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Methods and Evaluation / Quality Assurance

Professor

Address Habelschwerdter Allee 45
14195 Berlin
Telephone +49 (0)30 838 - 62 926
Email steffi.pohl@fu-berlin.de

Office hours

Thursday: 3 pm - 5 pm.

To register, please email.

Professional career

  • 2014 (September-October): Visiting Scientist at the Educational Testing Service, Princeton, NJ, USA
  • Since October 2013: Junior Professor of Methods and Evaluation/Quality Assurance, Department of Education and Psychology, Freie Universität Berlin
  • 2009-2013: Research Associate, Professorship of Psychology Focusing on Methods of Empirical Education Research (Dr. Claus Carstensen, Professor), National Education Panel Study (NEPS) project, Otto-Friedrich-Universität Bamberg 
  • 2005-2009: Research Associate, Department of Methodology and Evaluation Research (Dr. Rolf Steyer, Professor), Friedrich-Schiller Universität Jena
  • 2008 (September-Oktober): research stay working with Thomas D. Cook, Northwestern University, Evanston, IL, USA
  • 2007: Research Associate, kompetenztest.de project (Dr. Christof Nachtigall), Friedrich-Schiller-Universität Jena
  • 2004-2005: Research Associate, SPSSinteraktiv e-learning project (Dr. Renate Soellner, Professor), Freie Universität Berlin
  • 2004: Research Associate (substitute) at the Methods of Psychology Division (Dr. Albrecht Iseler, Professor), Freie Universität Berlin

Education

  • 2005-2010: Doctorate, dissertation topic “Modeling Method Effects,” Friedrich-Schiller-Universität Jena (advisor: Rolf Steyer)
  • 2002-2003: Study program, “MSc Research Methods in Psychology,” University of Hertfordshire, UK
  • 1998-2004: Study program toward the degree of Diplom in psychology at Freie Universität Berlin  

Awards and Distinctions

  • 2011: Gustav A. Lienert Dissertation Award from the Methods and Evaluation Group of the German Psychological Society (DGPs)

Memberships

Treasurer of the Board of the Methods and Evaluation Group of the German Psychological Society (DGPs) (since September 22, 2011)

European Association of Methodology (EAM)

German Psychological Society (DGPs)    

National Council on Measurement in Education (NCME)

Institute for longitudinal educational research (INBIL)

Lectures

  • WS 14/15 Lecture "Research Methods" (FU Berlin)
  • WS 14/15 Advanced Quantitative research methods using R (FU Berlin)
  • WS 14/15 Quantitative research methods using R (FU Berlin)
  • SS 2014 Seminar „Quantitative research methods using R“ (FU Berlin)
  • SS 2014 Statistics II (FU Berlin)
  • WS 13/14 Quantitative research methods using R (FU Berlin)
  • SS 2013 Seminar "Latent variable modeling" (together with C. Carstensen, University of Bamberg)
  • WS11/12  Seminar "Multivariate statistics" (University of Bamberg)
  • SS 2011  Seminar "Structural equation modeling" (University of Bamberg)
  • WS 10/11 Seminar "Multivariate statistics" (University of Bamberg)
  • SS 2010  Seminar "Structural equation modeling" (University of Bamberg)
  • SS 2009  Seminar "Adjustment with propensity-score matching II" (University of Jena)
  • WS 08/09  Seminar "Adjustment with propensity-score matching I" (University of Jena)
  • WS 08/09  Lecture "Methodology" (University of Jena)
  • SS 2008  Application seminar "Multitrait-multimethod models" (University of Jena)
  • WS 07/08  Lecture "Methodology" (University of Jena)
  • WS 06/07  Lecture "Methodology" (together with S. Hartenstein, University of Jena)
  • SS 2006  Lecture " Multivariate statistics" (together with S. Hartenstein, University of Jena)
  • WS 05/06  Lecture "Methodology" (together with S. Hartenstein, University of Jena)
  • SS 2005  Seminar "Structural equation models" (University Jena)
  • SS 2004  Seminar "Structural equation models" (Freie Univeristät Berlin)

Workshops

  • 2013, July: Workshop "Längsschnittanalysen und Mehrgruppenmodelle in Mplus ", Higher Education Information System, Hannover
  • 2013, June: Workshop "Einführung in Strukturgleichungsmodellierung mit Mplus ", Vienna University of Economics and Business, Austria
  • 2013, March: Workshop "Causal inference in nonrandomized studies", Spring School on Educational Measurement, Jena (with Marie-Ann Sengewald)
  • 2013, March: Workshop „Längsschnittanalysen in Mplus “, Institute for Educational Quality Improvement (IQB), Berlin
  • 2013, March: Workshop „Strukturgleichungsmodellierung in Mplus“, Institute for Educational Quality Improvement (IQB), Berlin
  • 2012, November: Workshop "Strukturgleichungsmodellierung in Mplus ", Higher Education Information System, Hannover
  • 2012, May: Workshop „Multi-Stage Testing“ for the Graduate School "Education and Capabilities", Institute for School Development Research, Dortmund
  • 2012, March: Workshop „Longitudinal analyses in Mplus “, Institute for Educational Quality Improvement, Berlin
  • 2012, March: Workshop „Strukturgleichungsmodellierung in Mplus“, Institute for Educational Quality Improvement (IQB), Berlin
  • 2012, February: Workshop „Einführung in SEM & Längsschnittanalysen in Mplus“, department for Methods and Evaluation, Hildesheim
  • 2012, January: Workshop „ Mplus für Fortgeschrittene“, Institute for Educational Quality Improvement (IQB), Berlin
  • 2011, September: Workshop "Modeling longitudinal data with Mplus ", conference of the department "Methods and Evaluation", Bamberg
  • 2011, September: Workshop "Structural equation modeling with Mplus Institute for Educational Quality Improvement (IQB), Berlin
  • 2011, January: Workshop "Structural equation modeling with Mplus ", Institute for Educational Quality Improvement (IQB), Berlin
  • 2010, October: Workshop "Modeling longitudinal data with HLM", Summer School on methods of empirical teaching and learning research, Zentralinstitut für Lehr-Lernforschung (ZiLL), Nürnberg
  • 2010, July: Workshop "Structural equation modeling for advanced users" for the research group and graduate college of science education (nwu), University Duisburg-Essen.
  • 2010, May: Workshop " Structural equation modeling with Mplus ", Geographic Institute, Humboldt Universität zu Berlin
  • 2010, February: Workshop "Structural Equation Modeling with Mplus ", Project week of the DGP priority program "Competence Models for Assessing Individual Learning Outcomes and Evaluating Processes ", Berlin
  • 2010: Workshop "Scaling with ConQuest", Institute for Science and Mathematics Education (IPN), Kiel (with C. Carstensen)
  • 2009, November: Workshop "Structural equation modeling", colloquium for Ph.D. students of biological psychology, Otto-Friedrich-University Bamberg
  • 2006: Workshop "Introduction to the analysis of causal effects", Friedrich-Schiller-University Jena (with R. Steyer and U. Kröhne)

Research interests

  • Latent variable modeling (models of Item Response Theory, structural equation modeling)
  • Longitudinal analyses
  • Causal inference

Research Projects

Heads of project: Steffi Pohl, Claus H. Carstensen

Funding: Deutsche Forschungsgemeinschaft (DFG; German Research Foundation) within the priority programme "Education as a Lifelong Process" (PO1655/1-1)

Duration: 2012-2015

Head of project: Steffi Pohl, Claus H. Carstensen, Christian Assmann

Fundingng: Deutsche Forschungsgemeinschaft (DFG; German Research Foundation) within the priority programme "Education as a Lifelong Process" (PO1655/2-1)

Duration: 2015-2018

Publications

Journal Articles

  • Pohl, S., Südkamp, A., Hardt, K., Carstensen, C. H., & Weinert, S. (2016). Testing Students with Special Educational Needs in Large-Scale Assessments – Psychometric Properties of Test Scores and Associations with Test Taking Behavior. Frontiers in Psychology 7:154. doi: 10.3389/fpsyg.2016.00154
  • Aßmann, C., Gaasch, C., Pohl, S., & Carstensen, C. H. (2015). Bayesian estimation in IRT models with missing values in background variables. Psychological Test and Assessment Modeling, 57, 595-618.

  • Köhler, C., Pohl, S., & Carstensen, C. H. (2015). Investigating mechanisms for missing responses in competence tests. Psychological Test and Assessment Modeling, 57, 499-522.

  • Südkamp, A., Pohl, S., & Weinert, S. (2015). Competence assessment of students with special educational needs - Identification of appropriate testing accommodations. Frontline Learning Research, 3 (2), 1-25. doi:10.14786/flr.v3i2.130

  • Köhler, C., Pohl, S., & Carstensen, C. H. (2014). Taking the missing propensity into account when estimating competence scores – Evaluation of IRT models for non-ignorable omissions. Educational and Psychological Measurement, 1, 1-25. doi: 10.1177/0013164414561785
  • Haberkorn, K., Lockl, K., Pohl, S., Ebert, S., & Weinert, S. (2014). Metacognitive knowledge in children at early elementary school. Metacognition and Learning. 9, 239-263. doi:10.1007/s11409-014-9115-1

  • Pohl, S., Gräfe, L., & Rose, N. (2014). Dealing with omitted and not reached items in competence tests - Evaluating approaches accounting for missing responses in IRT models. Educational and Psychological Measurement, 74, 423-452.

  • Pohl, S. (2014).  Longitudinal multi-stage testing. Journal of Educational Measurement, 50, 447-468.

  • Pohl, S., & Carstensen, C. (2013). Scaling the competence tests in the National Educational Panel Study – Many questions, some answers, and further challenges. Journal of Educational Research Online, 5, 189-216.

  • Raykov, T., & Pohl, S. (2013). Essential unidimensionality examination for multi-component scales: An interrelationship decomposition approach. Educational and Psychological Measurement, 73, 581-600.

  • Raykov, T., & Pohl, S. (2013). On studying common factor variance in multiple component measuring instruments. Educational and Psychological Measurement, 73, 191-209.

  • Cook, T. D., Pohl, S., & Steiner, P. M. (2011). Die relative Bedeutung der Kovariatenwahl, Reliabilität und Art der Datenanalyse für die Schätzung kausaler Effekte aus Beobachtungsdaten. Zeitschrift für Evaluation, 10, 203-224.

  • Cook, T. D., Steiner, P. M., & Pohl, S. (2010). Assessing how bias reduction is influenced by covariate choice, unreliability and data analytic mode: An analysis of different kinds of within-study comparisons in different substantive domains. Multivariate Behavioral Research, 44, 828-847.

  • Pohl, S., & Steyer, R. (2010). Modelling common traits and method effects in multitrait-multimethod analysis. Multivariate Behavioral Research, 45, 1-28.

  • Pohl, S., Steiner, P. M., Eisermann, J., Soellner, R., & Cook, T. D. (2009). Unbiased causal inference from an observational study: Results of a within-study comparison. Educational Evaluation and Policy Analysis, 31, 463-479.

  • Vautier, S., & Pohl, S. (2009). Bipolarity of latent change in STAI scores. Psychological Assessment, 21, 187-193.

  • Pohl, S., Steyer, R., & Kraus, K. (2008). Modelling method effects as individual causal effects. Journal of the Royal Statistical Society, Series A, 171, 41-63.

Guest Editing

  • Pohl, S., & Aßmann, C. (2015). Missing values in large scale assessment studies [Special issue]. Psychological Test and Assessment Modeling, 57.

Book Chapters

  • Südkamp, A., Pohl, S., Hardt, K., Jordan, A.-K., & Duchhardt, C. (2015). Kompetenzmessung in den Bereichen Lesen und Mathematik bei Schülerinnen und Schülern mit sonderpädagogischem Förderbedarf. In Kuhl, P., Stanat. P., Lütje-Klose, B., Gresch, C. Pant, H. A. & Prenzel, M. (Eds.), Inklusion von Schülerinnen und Schülern mit sonderpädagogischem Förderbedarf in Schulleistungserhebungen (pp. 243-272). Wiesbaden: Springer VS.
  • Aßmann, C., Carstensen, C. H., Gaasch, C., & Pohl, S. (2015). Estimation of plausible values using background variables with missing values: A data augmented MCMC approach.Manuscript submitted for publication. 
  • Südkamp, A., Pohl, S., Heydrich, J., & Weinert, S. (2015). Including students with special educational needs in the competence assessment – Results on the comparability of test scores in reading. Manuscript submitted for publication.
  • Haberkorn, K., Pohl, S., Carstensen, C., & Wiegand, E. (2015). Incorporating different response formats of NEPS competence tests in an IRT-model. Manuscript submitted for publication.
  • Pohl, S., & Steyer, R. (2012). Modeling traits and method effects as latent variables. In Salzborn, S., Davidov, E., & Reinecke, J. (Eds.). Methods, theories, and empirical applications in the social sciences – Festschrift for Peter Schmidt (pp. 57-65). Wiesbaden: Springer VS.
  • Rose, N., Pohl, S., Böhme, H. F., & Steyer, R. (2010). Strukturgleichungsmodelle. In H. Holling & B. Schmitz (Hrsg.), Handbuch Statistik, Methoden und Evaluation (pp. 600-611). Göttingen: Hogrefe.
  • Nachtigall, N., Pohl, S., & Hartenstein, S. (2010). Univariate deskriptive Statistik. In H. Holling & B. Schmitz (Hrsg.), Handbuch Statistik, Methoden und Evaluation (pp. 275-287). Göttingen: Hogrefe.

Technical Reports

  • Pohl, S., Haberkorn, K.,& Hardt, K., (2014). NEPS Technical Report for Reading – Scaling results of starting cohort 5 for first-year students in main study 2010/11. (NEPS Working Paper No. 34). Bamberg: Leibniz Institute for Educational Trajectories, National Educational Panel Study.

  • Hardt, K., Pohl, S., Haberkorn, K., & Wiegand, E. (2013). NEPS Technical Report for Reading – Scaling results of Starting Cohort 6 for adults in main study 2010/11 (NEPS Working Paper No. 25). Bamberg: Otto-Friedrich-Universität, Nationales Bildungspanel.

  • Haberkorn, K., Pohl, S., Hardt, K., & Wiegand, E. (2012). NEPS Technical Report for Reading – Scaling results of starting cohort 4 in ninth grade(NEPS Working Paper No. 16). Bamberg: Otto-Friedrich-Universität, Nationales Bildungspanel.
  • Pohl, S., Haberkorn, K., Hardt, K., & Wiegand, E. (2012). NEPS Technical Report for Reading – Scaling results of starting cohort 3 in fifth grade (NEPS Working Paper No. 15). Bamberg: Otto-Friedrich-Universität, Nationales Bildungspanel.
  • Pohl, S. & Carstensen, C. (2012). NEPS Technical Report  – Scaling the data of the competence tests (NEPS Working Paper No. 14). Bamberg: Otto-Friedrich-Universität, Nationales Bildungspanel.

Presentations

Invited Talks

  • Pohl, S. (2015, May). Umgang mit fehlenden Werte in Kompetenztests. Invited talk given at the Institute Institute for Educational Quality Improvement, Berlin.

  • Pohl, S. (2015, February). Kompetenzmessung bei Schülern mit sonderpädagogischem Förderbedarf im Nationalen Bildungspanel - Probleme und Lösungsansätze. Invited talk given at the Colloquium at the University Zürich, Zürich, Switzerland.

  • Pohl, S., Südkamp, A., Hardt, K., Carstensen, C. H., & Weinert, S. (2014, September). Testability and test-taking behavior of students with special educational needs in large-scale assessments. Invited talk at the Educational Testing Service (ETS), Princeton, USA.

  • Pohl, S., & Sengewald, M.-A. (2014, May). On the importance of adjustment for latent covariates. Invited talk at the ’Conference on Statistics and Causality’, University of Vienna, Austria.

  • Pohl, S. (2013, December). Measuring competencies across the lifespan – Challenges of linking test scores. Invited talk at the Conference on ’Dependent data in social sciences research: Forms, issues, and methods of analysis’, Friedrich-Alexander-University Erlangen-Nürnberg.

  • Pohl, S. (2013, June). Auftreten und Berücksichtigung fehlender Werte in Kompetenztests. Invited talk at the Department of Basic Psychological Research and Research Methods at the Institute of Psychology, University of Vienna, Austria.
  • Pohl, S. (2013, May). Anlage und Auswertungsverfahren von Längsschnittanalysen. Invited talk at the institute primary school pedagogy, University of Leipzig.

  • Pohl, S. (2013, February). Dealing with missing values in competence tests – Evaluating different approaches accounting for missing responses in IRT models. Invited talk given at the Graduate School of Economics and Social Sciences and at the Workgroup Psychological Methodology and Diagnostics, Mannheim, Germany.

  • Pohl, S. (2011, September). Modeling Method Effecs. Invited talk given at the 10th Conference of the Professional Group of Methods and Evaluation of the DGPs, Bamberg, Germany.
  • Pohl, S., Rose, N., & Carstensen, C. (2011, April). Multi-stage testing in longitudinal designs - Estimation of item parameters, person parameters, and change scores. Invited talk given at the Faculty of Quantitative Methods at the Department of Educational Psychology, University of Wisconsin, Madison, USA.
  • Carstensen, C., & Pohl, S. (2011, February). Challenges in scaling the competency tests in the National Educational Panel Study. Invited talk at the Educational Testing Service (ETS), Princeton, USA.

Organized Symposia

  • Pohl, S., & Carstensen, C. H. (2014, March). Methodischen Herausforderungen bei der Skalierung der Kompetenztestdaten im Nationalen Bildungspanel. Symposium at the 2nd Conference of the Society for Empirical Educational Research, Frankfurt, Germany.

  • Pohl, S., & Ihme, J. M. (2011, September). Items, Responses, and Theory. Symposium at the 10th Conference of the Professional Group of Methods and Evaluation of the DGPs, Bamberg, Germany.

  • Ihme, J. M., & Pohl, S. (2010, September). Kompetenzmessung im Nationalen Bildungspanel. Symposium at the 74th Conference of the Workgroup for Empirical Educational Research (AEPF), Jena, Germany.

Other Presentations

  • 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.
  • Sengewald, M.-A., Pohl, S., & Steiner, P. M. (2014, September). Die Bedeutung latenter Kovaraiten für die Schätzung kausaler Effekte in ANCOVA und Propensity score Analysen. Presentation at the 49th Congress of the German Society of Psychology, Bochum, Germany.
  • Hardt, K., Pohl, S., Südkamp, A., Nusser, L., & Weinert, S. (2014, September). Modellierung differenziellen Testbearbeitungsverhaltens zur Identifikation von testbaren Schülern mit besonderem Förderbedarf. Presentation at the 49th Congress of the German Society of Psychology, Bochum, Germany.
  • Pohl, S., Haberkorn, K., & Carstensen, C. H. (2014, July). Measuring Competencies across the Lifespan - Challenges of Linking Test Scores. Presentation at the VI European Congress of Methodology of the European Association of Methodology (EAM), Utrecht, Netherlands.
  • Köhler, C., Pohl, S., & Carstensen, C. H. (2014, July). Investigating the mechanisms for missing responses in competence tests. Presentation at the VI European Congress of Methodology of the European Association of Methodology (EAM), Utrecht, Netherlands.
  • Sengewald, M.-A., Pohl, S., & Steiner, P. M. (2014, July). On the importance of modeling latent covariates in ANCOVA and Propensity score analysis. Presentation at the VI European Congress of Methodology of the European Association of Methodology (EAM), Utrecht, Netherlands.
  • Gaasch, C. G., Carstensen, C. H., & Pohl, S. (2014, July). Item Response Models using Person-Level Predictors with Missing Values. Presentation at the VI 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“, Florence, Italy.
  • Pohl, S., Hardt, K., Südkamp, A., Nusser, L., Carstensen, C., & Weinert, S. (2014, March). Identifikation von testbaren Förderschülern. Presentation at the 2nd Conference of the Society for Empirical Educational Research (GEBF), Frankfurt a.M., Germany.
  • Köhler, C., Pohl, S., & Carstensen, C. (2014, March). Untersuchung der Tendenz zum Überspringenvon Aufgaben in Kompetenztests. Presentation at the 2nd Conference of the Society for Empirical Educational Research (GEBF), Frankfurt a.M., Germany.
  • Krannich, M., Pohl, S., & Carstensen, C. (2014, March). Wie robust sind latente Zusammenhangsschätzungen in der längsschnittlich angelegten large-scale assessment Studie NEPS gegen unterspezifizierte Hintergrundmodelle? Presentation at the 2nd Conference of the Society for Empirical Educational Research (GEBF), Frankfurt a.M., Germany.
  • Haberkorn, K., Pohl, S., & Carstensen, C. (2014, March). Vertikales Linking von Kompetenzdaten über die Lebensspanne. Presentation at the 2nd Conference of the Society for Empirical Educational Research (GEBF), Frankfurt a.M., Germany.
  • Pohl, S., Hardt, K., Südkamp, A., Nusser, L., & Weinert, S. (2013, September). Mixed-Rasch-Hybrid Modelle zur Identifikation von testbaren Förderschülern. Presentation at the 11th Conference of the Professional Group of Methods and Evaluation of the DGPs, Klagenfurt, Austria.
  • Carstensen, C. H., Pohl, S., & Haberkorn, K. (2013, March). Längsschnittliche Kalibrierung im Nationalen Bildungspanel am Beispiel von Lesekompetenz und Mathematikkompetenz. Presentation at the 1st Conference of the Society for Empirical Educational Research, Kiel, Germany.
  • Haberkorn, K., Lockl, K., Ebert, S., Pohl, S., & Weinert, S. (2012, September). Was wissen Grundschulkinder über ihr Gedächtnis? Evaluation eines neuen Testverfahrens und Zusammenhänge mit schulrelevanten Fähigkeiten. Presentation at the 48th Congress of the German Society of Psychology, Bielefeld, 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 Professional Group of Methods and Evaluation of the DGPs, Klagenfurt, Austria.
  • Carstensen, C. H., Haberkorn, K., & Pohl, S. (2013, September). Modellierung unterschiedlicher Antwortformate in einparametrigen IRT Modellen. Presentation at the 11th Conference of the Professional Group of Methods and Evaluation of the DGPs, Klagenfurt, Austria.
  • 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, April). Investigation of the tendency to omit items in competence tests. Presentation at the first colloquium of the SPP1646 Priority Programme „Education as a lifelong process“, Bamberg, Germany.
  • Haberkorn, K., Lockl, K., Pohl, S., Ebert, S., & Weinert, S. (2013, March). Zur Rolle von Metagedächtnis bei jungen Kindern. Beziehungen zwischen metakognitivem Wissen und schulischen Fähigkeiten. Presentation at the 1st Conference of the Society for Empirical Educational Research, Kiel, Germany. 
  • Gräfe. L., & Pohl, S. (2012, September). How to deal with missing responses in competency tests. Presentation at the 48th Congress of the German Society of Psychology, Bielefeld, Germany.
  • Aßmann, C., Gaasch, C., Carstensen, C. H., & Pohl, S. (2012, September). Estimation of plausible values using partially missing background variables: A data augmented MCMC approach. Presentation at the Statistical Week, Vienna, Austria.
  • Haberkorn, K., Lockl, L., Pohl, S., & Ebert, S. (2012, September). Declarative metacognition in primary school children: Evaluation of a new test procedure and IRT-analyses of its construct validity. Presentation at the 5th Biennial Meeting of the EARLI Special Interest Group 16, Mailand, Italy.
  • Gräfe, L., & Pohl, S. (2012, August). How to deal with missing responses in competency tests? A comparison of data- and model based IRT approaches. Presentation at the Third Meeting of the EARLI Sig 18 Educational Effectiveness, Zürich, Switzerland.
  • Sengewald, M.-A., Pohl, S., & Steinert, P. M. (2012, July). Accounting for fallible covariates - A comparison of ANOVA and propensity score methods. Presentation at the Symposium on Causality, Jena, Germany.
  • Pohl, S., & Gräfe, L. (2012, July). Modeling missing responses in competence tests. Presentation at the 77th Annual Meeting of the Psychometric Society, Lincoln, Nebraska, USA.
  • 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.
  • Pohl, S., Gräfe, L., & Hardt, K. (2011, September). Modellierung und Untersuchung von fehlenden Werten in Kompetenztests. Presentation at the 10th Conference of the Professional Group of Methods and Evaluation of the DGPs, Bamberg, Germany.
  • Pohl, S., & Carstensen, C. (2011, July). Multi-stage testing in longitudinal designs. Presentation at the European Survey Research Association, Lausanne, Switzerland.
  • Pohl, S., Rose, N., & Carstensen, C. (2011, April). Multi-stage testing in longitudinal designs. Paper presentation at the Annual Meeting of the National Council of Measurement in Education, New Orleans, USA.
  • Pohl, S. & Carstensen, C. (2011, March). Multi-Stage Testing im Längsschnittdesign. Presentation at the 75th Section Conference Empirical Educational Research (AEPF, KBBB), Bamberg, Germany.
  • Wiegand, E., Haberkorn, K., & Pohl, S. (2011, March). Modellierung von komplexen Items. Presentation at the 75th Section Conference Empirical Educational Research (AEPF, KBBB), Bamberg, Germany.
  • Pohl, S., & Carstensen, C. (2010, September). Two-Stage Testing im Nationalen Bildungspanel - eine Simulationsstudie. Presentation at the 74th Conference of the Workgroup for Empirical Educational Research (AEPF), Jena, Germany.
  • Pohl, S., Milde, M.-A., Reuter, F., & Steiner, P. M. (2010, July). Adjustment using latent covariates. Presentation at the IV European Congress of Methodology of the European Association of Methodology (EAM) jointly with the 27th Meeting of the Society for Multivariate Analysis in the Behavioural Sciences (SMABS), Potsdam, Germany.
  • Pohl, S., Milde, M.-A., Reuter, F., & Steiner, P. M. (2010, July). Adjustment using latent covariates. Presentation at the Symposium "Causality in Educational Research", Dornburg, Germany.
  • Pohl, S. (2010, March). Branched Testing in Anwendung - Eine Simulationsstudie. Presentation at the Colloquium for Methods of Empirical Educational Research, Hirschegg, Austria.
  • Pohl, S., Steiner, P. M., Eisermann, J., Soellner, R., & Cook, T. D. (2009, September). Die Rolle der Kovariaten und der Adjustierungsverfahren für die Güte der Effektschätzung in quasiexperimentellen Designs – eine empirische Studie. Presentation at the 9th Conference of the Professional Group of Methods and Evaluation of the DGPs, Bielefeld, Germany.
  • Pohl, S., Steiner, P. M., Eisermann, J., Soellner, R., & Cook, T. D. (2009, July). Causal unbiasedness from an observational study. Presentation at the 16th international meeting and 74th annual meeting of the Psychometric Society, Cambridge, UK.
  • Milde, M.-A., Lemke, F., Steiner, P. M., & Pohl, S. (2009, March). Kausale Aussagen im Quasiexperiment - eine experimentelle Studie. Presentation at the Conference of experimental working Psychologists, Jena, Germany.
  • Pohl, S., & Vautier, S. (2009, March). Bipolarity in latent change. Presentation at the Doctoral and Postdoctoral Colloquium for Methods of empirical educational research, Hirschegg, Austria.
  • Pohl, S., Soellner, R., & Eisermann, J. (2008, August). Möglichkeiten und Grenzen kausaler Aussagen im Quasiexperiment. Conference of the Workgroup for Empirical Educational Research (AEPF), Kiel, Germany.
  • Pohl, S., & Steyer, R. (2008, July). Investigating the effect of item wording using the Method Effect model. Presentation at the Symposium on Causality, Dornburg, Germany.
  • Pohl, S., Eisermann, J., & Soellner, R. (2008, July). A Randomized Experiment Comparing Random to Nonrandom Assignment - A replication of Shadish & Clark. Vortrag auf dem Symposium on Causality, Dornburg, Deutschland.
  • Eisermann, J., Soellner, R. & Pohl, S. (2007, September). Effekte der Selbstselektion auf eine Intervention - eine experimentelle Studie. Presentation at the 8th Conference of the Professional Group of Methods and Evaluation of the DGPs, Giessen, Germany.
  • Pohl, S., & Steyer, R. (2007, September). Das Methoden Effekt Modell zur Modellierung von aggregierten Traits in MTMM Designs. Presentation at the 8th Conference of the Professional Group of Methods and Evaluation of the DGPs, Giessen, Germany.
  • Pohl, S. & Steyer, R. (2006, September). Neue Modelle zur Analyse von Multitrait-Multimethod Designs.Presentation at the 45th Congress of the German Society of Psychology, Nürnberg, Germany.
  • Pohl, S., & Steyer, R. (2006, July). Modelling method effects as individual causal effects. A new approach for analyzing MTMM data. Presentation at the 25th Meeting of the Society for Multivariate Analysis in the Behavioural Sciences (SMABS) jointly with the 2nd Conference of the European Association of Methodology (EAM), Budapest, Hungary.
  • Pohl, S., & Steyer, R. (2006, April). Analyzing the Effect of Negative Item Formulation - An Application of the Individual Causal Effect Model. Presentation at the S3RI Symposium on the Convergence of Methods for the Analysis of Panel Data, Southampton, UK.
  • Pohl, S., & Steyer, R. (2005, September). Die Wirkung negativer Itemformulierung: Eine Analyse individueller kausaler Effekte. Presentation at the 7th Conference of the Professional Group of Methods and Evaluation of the DGPs, Münster, Germany.
  • Pohl, S., & Steyer, R. (2005, July). Analyzing the effect of negatively formulated items: A first application of the individual causal effects model. Presentation at the 14th international meeting and 70th annual meeting of the Psychometric society, Tilburg, Netherlands.