The many faces of GESIS
Vita
Studied social sciences in Mannheim and Bloomington, IN (Graduation with Diplom Sozialwissenschaften in 2005). 2006-2012 research assisant at german family panel study pairfam at Mannheim Centre for European Social Research (MZES) and teaching assisant at the School of Social Sciences, Mannheim University. May 2012 - June 2015 project consultant at GESIS - Leibniz Institute for the Social Sciences. Doctorate in Social Sciences at the University of Mannheim in march 2013. Since July 2015 researcher in German Microdata Lab.Service
EU-SILCPublications
Journal article
Müller, Nora, Klaus Pforr, and Jascha Dräger. 2023. "Wealth stratification and the insurance function of wealth." Social Inclusion 11 (1): 128-134. doi: https://doi.org/10.17645/si.v11i1.6680.
Dräger, Jascha, Klaus Pforr, and Nora Müller. 2023. "Why Net Worth Misrepresents Wealth Effects and What to Do About It." Sociological Science 10 534-558. doi: https://doi.org/10.15195/v10.a19.
Roth, Tobias, Klaus Pforr, Sandra Mingham, and Meike Selbach. 2022. "Do birth order effects on secondary school track placement differ between natives and migrants? A within-family analysis in the German educational system." European Sociological Review 38 (3): 440-454. doi: https://doi.org/10.1093/esr/jcab047.
Wirth, Heike, and Klaus Pforr. 2022. "The European Union Statistics on Income and Living Conditions after 15 Years." European Sociological Review 38 (4): 832-848. doi: https://doi.org/10.1093/esr/jcac024.
Dräger, Jascha, and Klaus Pforr. 2022. "The Multiple Mediators of Early Differences in Academic Abilities by Parental Financial Resources in Germany." Advances in Life Course Research 52 (June 2022): 100476. doi: https://doi.org/10.1016/j.alcr.2022.100476.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2021. "Double Burden? Implications of indebtedness to general life satisfaction following negative life events in international comparison." Journal of European Social Policy 31 (5): 614–628. doi: https://doi.org/10.1177/09589287211050505.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2020. "The non-linear relationship between parental wealth and children’s post-secondary transitions in Germany." Soziale Welt 71 (3): 268-307. doi: https://doi.org/10.5771/0038-6073-2020-3-268.
Bogner, Kathrin, Klaus Pforr, and Natalja Menold. 2018. "Attitude strength moderates adverse effects to questionnaire design." Mathematical Population Studies 25 (2): 99-111. doi: https://doi.org/10.1080/08898480.2018.1439244.
Brüderl, Josef, Laura Castiglioni, Volker Ludwig, Klaus Pforr, and Claudia Schmiedeberg. 2017. "Collecting Event History Data with a Panel Survey: Combining an Electronic Event History Calendar and Dependent Interviewing." mda : methods, data, analyses 11 (1): 45-66. doi: https://doi.org/10.12758/mda.2016.013.
Pforr, Klaus, and Tanja Dannwolf. 2017. "What do we lose with online-only surveys? Estimating the bias in selected political variables due to online mode restriction." Statistics, Politics and Policy 8 (1): 105-120. doi: https://doi.org/10.1515/spp-2016-0004.
Pforr, Klaus, and Beatrice Rammstedt. 2016. "Verwendung von geldwerten Belohnungen (Incentives) in persönlichen Umfragen vor dem Hintergrund sinkender Ausschöpfungsraten: Use of Monetary Incentives in Face-to-Face Surveys in Light of Decreasing Response Rates." Psychotherapie, Psychosomatik, medizinische Psychologie : PPmP 66 (7): 280-282. doi: https://doi.org/10.1055/s-0042-108565. urn: urn:nbn:de:0168-ssoar-54389-4.
Pforr, Klaus, Michael Blohm, Annelies Geerte Blom, Barbara Erdel, Barbara Felderer, Mathis Fräßdorf, Kristin Hajek, Susanne Helmschrott, Corinna Kleinert, Achim Koch, Ulrich Krieger, Martin Kroh, Silke Martin, Denise Saßenroth, Claudia Schmiedeberg, Eva-Maria Trüdinger, and Beatrice Rammstedt. 2015. "Are incentive effects on response rates and nonresponse bias in large-scale, face-to-face surveys generalizable to Germany? Evidence from ten experiments." Public Opinion Quarterly 79 (3): 740-768. doi: https://doi.org/10.1093/poq/nfv014. http://poq.oxfordjournals.org/content/79/3/740.
Pforr, Klaus. 2014. "femlogit – Implementation of the multinomial logit model with fixed effects." The Stata Journal 14 (4): 847-862. http://www.stata-journal.com/article.html?article=st0362.
Schröder, Jette, and Klaus Pforr. 2009. "Der aktuelle Forschungsstand zum Zusammenhang zwischen Erwerbstätigkeit und Fertilität bei Frauen. Zeitschrift für Familienforschung." Zeitschrift für Familienforschung Jg. 21, H. 3 218-244.
Castiglioni, Laura, Klaus Pforr, and Ulrich Krieger. 2008. "The effect of incentives on response rates and panel attrition: results of a controlled experiment." Survey Research Methods Jg. 2, H. 3 151-158.
Chapter in an edited book
Hochman, Oshrat, Nora Müller, and Klaus Pforr. 2019. "Debts, negative life events and subjective well-being: disentangling relationships." In Wealth(s) and subjective well-being, edited by Gäel Brulé, and Christian Suter, Social Indicators Research Series 76, 377-399. Cham: Springer. doi: https://doi.org/10.1007/978-3-030-05535-6_17.
Landrock, Uta, Henning Best, and Klaus Pforr. 2017. "Methodisches Vorgehen bei den Akteursbefragungen sowie der Bevölkerungsbefragung im RiKo-Projekt." In Korruptionsprävention in Unternehmen und Kommunen: Eine interdisziplinäre Studie, edited by Daniela Trunk, and Bernhard Frevel, 61-78. Wiesbaden: Springer Fachmedien Wiesbaden. doi: https://doi.org/10.1007/978-3-658-17689-1_4.
Brüderl, Josef, Volker Ludwig, Klaus Pforr, and Klaus Schumann. 2011. "Praktische Anwendungsbeispiele zum Umgang mit den pairfam-Daten (Welle 1)." In Partnerschaft, Fertilität und intergenerationale Beziehungen: Ergebnisse der ersten Welle des Beziehungs- und Familienpanels, edited by Josef Brüderl, and Laura Castiglioni, 27–48. Würzburg: Ergon-Verl..
Brüderl, Josef, Laura Castiglioni, Ulrich Krieger, and Klaus Pforr. 2008. "Design und Feldphase des Mini-Panels." In Neuere Entwicklungen in der Beziehungs- und Familienforschung, edited by Michael Feldhaus, 45-76. Würzburg: Ergon-Verl..
Editorship
Müller, Nora, Klaus Pforr, and Jascha Dräger, ed. 2023. Wealth Stratification and the Insurance Function of Wealth. Social Inclusion 11, 1. Cogitatio Press. https://www.cogitatiopress.com/socialinclusion/issue/view/305.
Monograph
Pforr, Klaus. 2013. femlogit: Implementation und Anwendung der multinominalen logistischen Regression mit 'fixed effects'. 1. GESIS-Schriftenreihe 11. Köln: GESIS. http://www.ssoar.info/ssoar/handle/document/37199.
Pforr, Klaus. 2005. Anwendung des genetischen Algorithmus zur Lösung des iterierten Freiwilligendilemmas: Diplomarbeit. Mannheimer sozialwissenschaftliche Abschlussarbeiten 06/008. http://madoc.bib.uni-mannheim.de/madoc/volltexte/2011/3110.
Working and discussion paper
Backes, Natalie, and Klaus Pforr. 2023. Verknüpfung von Mikrozensus-Querschnitterhebungen 2016-2019 zu Paneldaten. doi: https://doi.org/10.21241/ssoar.90811.
Pforr, Klaus. 2021. Regionale Kontextdaten mit dem Mikrozensus. GESIS Papers 2021/02. Köln: GESIS - Leibniz-Institut für Sozialwissenschaften. doi: https://doi.org/10.21241/ssoar.71319.
Dräger, Jascha, Klaus Pforr, and Nora Müller. 2021. Wealth 2D – An alternative approach to explore wealth effects. SocArXiv. doi: https://doi.org/10.31235/osf.io/zk72e.
Balz, Anne, and Klaus Pforr. 2020. Operationalization of employment protection legislation and implications for substantive results: Example of perceived job insecurity and temporary employment risk. GESIS Papers 2020/19. Köln: GESIS - Leibniz-Institut für Sozialwissenschaften. doi: https://doi.org/10.21241/ssoar.70793.
Pforr, Klaus. 2017. Detailed description of the implementation the multinomial logit model with fixed effects (femlogit). GESIS Papers 2017/16. Köln: GESIS - Leibniz institute for the Social Sciences. urn: urn:nbn:de:0168-ssoar-52315-4. http://www.ssoar.info/ssoar/handle/document/52315.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2017. The Effect of Parental Wealth on Children’s Educational Decisions in Germany: Compensation or Demotivation? SocArXiv. doi: https://doi.org/10.31235/osf.io/c46za.
Pforr, Klaus. 2016. Incentives. GESIS Survey Guidelines. GESIS – Leibniz-Institut für Sozialwissenschaften. doi: https://doi.org/10.15465/gesis-sg_en_001.
Schröder, Jette, Michael Blohm, Bella Struminskaya, Klaus Pforr, Henning Silber, and Michael Bosnjak. 2016. Leitfaden zur Erstellung einer Leistungsbeschreibung für die Ausschreibung von Interviewer-administrierten Befragungen. GESIS Survey Guidelines. Mannheim: GESIS – Leibniz-Institut für Sozialwissenschaften. doi: https://doi.org/10.15465/gesis-sg_021.
Pforr, Klaus, and Jette Schröder. 2016. Why panel surveys? GESIS Survey Guidelines. GESIS – Leibniz-Institut für Sozialwissenschaften. doi: https://doi.org/10.15465/gesis-sg_en_008.
Pforr, Klaus. 2015. Incentives. GESIS Survey Guidelines. GESIS – Leibniz-Institut für Sozialwissenschaften. doi: https://doi.org/10.15465/gesis-sg_001.
Pforr, Klaus, and Jette Schröder. 2015. Warum Panelstudien? GESIS Survey Guidelines. Mannheim: GESIS – Leibniz-Institut für Sozialwissenschaften. doi: https://doi.org/10.15465/gesis-sg_008.
Brüderl, Josef, Kristin Hajek, Bernadette Huyer-May, Volker Ludwig, Bettina Müller, Ulrike Müller, Jasmin Passet, Klaus Pforr, Mirte M. M. Scholten, Philipp Schütze, and Nina Schumann. 2014. pairfam Data Manual: Release 5.0. Mannheim: Universität Mannheim.
Brüderl, Josef, Kristin Hajek, Bernadette Huyer-May, Volker Ludwig, Bettina Müller, Ulrike Müller, Jasmin Passet, Klaus Pforr, Mirte M. M. Scholten, Philipp Schütze, and Nina Schumann. 2013. pairfam Data Manual: Release 4.0. Mannheim: Universität Mannheim.
Brüderl, Josef, Kristin Hajek, Bernadette Huyer-May, Volker Ludwig, Bettina Müller, Ulrike Müller, Jasmin Passet, Klaus Pforr, Mirte M. M. Scholten, Philipp Schütze, and Natascha Schumann. 2012. pairfam Data Manual: release 3.1. Mannheim: Universität Mannheim.
Brüderl, Josef, Laura Castiglioni, Ulrich Krieger, and Klaus Pforr. 2007. Methodenbericht des Forschungsprojekts "Mini-Panel zur Familien- und Beziehungsentwicklung".
Data/Software
Pforr, Klaus, and Johanna Jung. 2023. EU-SILC - release 2022-release2. Setups zum Einlesen der csv-Dateien Cross 2004-2021, Panel 2005-2020 (SPSS, Stata, R). https://www.gesis.org/en/missy/materials/EU-SILC/setups.
Pforr, Klaus, and Johanna Jung. 2023. EU-SILC - release 2023-release1. Setups zum Einlesen der csv-Dateien Cross 2004-2021, Panel 2005-2021 (SPSS, Stata, R). https://www.gesis.org/en/missy/materials/EU-SILC/setups.
Pforr, Klaus, and Johanna Jung. 2023. EU-SILC - release 2023-release2. Setups zum Einlesen der csv-Dateien Cross 2004-2022, Panel 2005-2021 (SPSS, Stata, R). https://www.gesis.org/en/missy/materials/EU-SILC/setups.
Pforr, Klaus, and Natalie Backes. 2023. mz_panel_16171819.do. Zusammenführung MZ2016 - MZ2019 zu Panel. https://www.gesis.org/missy/files/documents/MZ/mz_panel_16171819.do.
Pforr, Klaus, and Johanna Jung. 2022. EU-SILC - release 2022-03. Setups zum Einlesen der csv-Dateien Cross 2004-2020, Panel 2005-2020 (SPSS, Stata, R). https://www.gesis.org/en/missy/materials/EU-SILC/setups.
Pforr, Klaus, and Johanna Jung. 2022. EU-SILC - release 2022-09. Setups zum Einlesen der csv-Dateien Cross 2004-2020, Panel 2005-2020 (SPSS, Stata, R). https://www.gesis.org/en/missy/materials/EU-SILC/setups.
Pforr, Klaus, and Johanna Jung. 2021. EU-SILC - release 2021-04. Setups zum Einlesen der csv-Dateien Cross 2004-2019, Panel 2005-2019 (SPSS & Stata). https://www.gesis.org/en/missy/materials/EU-SILC/setups.
Pforr, Klaus, and Johanna Jung. 2021. EU-SILC - release 2021-09. Setups zum Einlesen der csv-Dateien Cross 2020 (SPSS & Stata). https://www.gesis.org/en/missy/materials/EU-SILC/setups.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2020. Code/Syntax: The non-linear relationship between parental wealth and children’s post-secondary transitions in Germany. doi: https://doi.org/10.7802/2073.
Pforr, Klaus, and Florian Thirolf. 2019. DTA2MD: Stata module to convert Stata system file to metadata. https://ideas.repec.org/c/boc/bocode/s458697.html.
Other article
Pforr, Klaus. 2016. "Rezension von Bergmann, Michael (2015): Panel Conditioning: Wirkungsmechanismen und Konsequenzen wiederholter Befragungen, Baden-Baden: Nomos." In soziopolis.de, http://www.soziopolis.de/lesen/buecher/artikel/panel-conditioning/.
Presentation at a conference
Pforr, Klaus, Johanna Jung, and Barbara Felderer. 2024. "Describing the socio-demographic structure of social transfers across Europe with regression trees." ifo Conference on Understanding Socio-Economic Inequalities with Novel Data and Methods, ifo Institut – Leibniz-Institut für Wirtschaftsforschung an der Universität München e.V., Munich, 2024-02-22.
Pforr, Klaus. 2024. "There goes the „Auswahlbezirk“: Estimation of „White-Flight“-Effects using the German Microcensus." Workshop “The politics of residential mobility: Causes and consequences”, Mannheimer Zentrum für Europäische Sozialforschung (MZES), Mannheim, 2024-02-01.
Pforr, Klaus, Johanna Jung, and Barbara Felderer. 2023. "Describing the socio-demographic structure of social transfers across Europe with regression trees." 8th European User Conference for EU-Microdata, Universität Mannheim, Mannheim, 2023-03-17.
Pforr, Klaus, Johanna Jung, and Barbara Felderer. 2023. "Describing the socio-demographic structure of social transfers across Europe with regression trees." Frühjahrstagung der DGS-Sektion „Soziale Ungleichheit und Sozialstrukturanalyse", GESIS - Leibniz-Institut für Sozialwissenschaften, Mannheim, 2023-03-24.
Pforr, Klaus. 2023. "There goes the 'Auswahlbezirk': Estimation of the 'White-Flight'-Effect with the German Microcensus." ECSR Annual Conference 2023, Prague, 2023-09-18.
Pforr, Klaus. 2023. "There goes the 'Auswahlbezirk': Estimation of 'White-Flight'-Effects using the German Microcensus." Workshop "Current Perspectives of Spatial Mobilities", IAB , Nürnberg, 2023-03-30.
Pforr, Klaus. 2023. "There goes the Auswahlbezirk: Estimating the “White-Flight” effect with the Microcensus." Frontiers in Policy Relevant Population Research, Bundesinstitut für Bevölkerungsforschung, Wiesbaden, 2023-07-03.
Roth, Tobias, Klaus Pforr, Andreas Horr, and Natalie Backes. 2022. "Ethnic rent differentials in the German housing market: do migrants pay higher rents than natives for comparable housing?" ECSR Annual Conference, University of Amsterdam, Amsterdam, 2022-07-06.
Roth, Tobias, Klaus Pforr, Andreas Horr, and Natalie Backes. 2022. "Ethnic rent differentials in the German housing market: do migrants pay higher rents than natives for comparable housing?" 10. Konferenz "Forschen mit dem Mikrozensus", Online, 2022-11-24.
Müller, Nora, and Klaus Pforr. 2022. "Labor supply effects of inheritances among the rich and the super-rich ." Reichtum – historische und soziologische Perspektiven, Max-Planck-Institut für Gesellschaftsforschung (MPIfG) Köln, Munich, 2022-03-03.
Pforr, Klaus. 2022. "There goes the Auswahlbezirk: Schätzung des "White-Flight"-Effekts mit dem Mikrozensus." 10. Konferenz "Forschen mit dem Mikrozensus", Online, 2022-11-24.
Müller, Nora, Klaus Pforr, and Jascha Dräger. 2022. "Wealth Gaps in Education in Germany." 41. Kongress der DGS "Polarisierte Welten", Universität Bielefeld, Bielefeld, 2022-09-27.
Dräger, Jascha, Klaus Pforr, and Nora Müller. 2021. "Wealth 2-D – a new approach to explore wealth stratification." 3rd AS Conference 2021 Cohesive Societies, Online, 2021-09-30.
Dräger, Jascha, Klaus Pforr, and Nora Müller. 2021. "Wealth 2-D – a new approach to explore wealth stratification." ECSR Annual Conference 2021, Online, 2021-10-07.
Dräger, Jascha, Klaus Pforr, and Nora Müller. 2021. "Wealth 2-D: What we can learn if we do not collapse wealth to net worth." ISA RC28 Spring Meeting 2021, Universität of Turku, Finland, Virtual, Munich, 2021-06-03.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2019. "Debts, negative life events and subjective well-being: disentangling relationships." ISA RC28 Spring Meeting: Long-term consequences of the Great Recession for stratification, mobility and inequality, 2019-03-22.
Dräger, Jascha, and Klaus Pforr. 2019. "How Money Buys Skills: Testing the Mediators Between Parent’s Wealth and Children’s Competence Among Pre-Schoolers in Germany." 2019 SLLS International Conference, Universität Potsdam, 2019-09-26.
Dräger, Jascha, and Klaus Pforr. 2019. "How money buys skills: A mediation analysis of competence disparities among preschoolers in Germany." Analytical Sociology: Theory and Empirical Applications. Seminar in Cooperation with Venice International University and Academy of Sociology, Venice International University, San Servolo, 2019-11-18.
Dräger, Jascha, Klaus Pforr, and Nora Müller. 2019. "How money buys skills – Testing the mediators between parents’ wealth and children’s competence among pre-schoolers in Germany." SLLS Annual Conference 2019, Universität Potsdam, 2019-09-25.
Balz, Anne, and Klaus Pforr. 2019. "Operationalization of employment protection legislation: Implications for Substantive Results." ISA RC28 Spring Meeting 2019, 2019-03-21.
Balz, Anne, Klaus Pforr, and Florian Thirolf. 2019. "Stata export for metadata documentation." 2019 German Stata Users Group meeting, 2019-05-24.
Kühn, Marie, Uta Liebeskind, and Klaus Pforr. 2018. "Erfolgsbias in Datenbeständen der empirischen Bildungsforschung? Eine Analyse auf Basis der NEPS-Daten." 12. Workshop der Panelsurveys im deutschsprachigen Raum, 2018-02-21.
Kühn, Marie, Uta Liebeskind, and Klaus Pforr. 2018. "Erfolgsbias in Datenbeständen der empirischen Bildungsforschung? Eine Analyse auf Basis der NEPS-Daten." 6. Tagung der GEBF (Gesellschaft für Empirische Bildungsforschung), 2018-02-16.
Pforr, Klaus. 2018. "Regionale Kontextdaten aus dem Mikrozensus." 9. Nutzerkonferenz "Forschen mit dem Mikrozensus": Analysen zur Sozialstruktur und zum sozialen Wandel, GESIS - Leibniz-Institut für Sozialwissenschaften, Mannheim, 2018-11-28.
Schindler, Steffen, and Klaus Pforr. 2018. "Relative Risk Aversion from a Dynamic Perspective: Explaining Intergenerational Educational Mobility." 9. Nutzerkonferenz "Forschen mit dem Mikrozensus", GESIS - Leibniz-Institut für Sozialwissenschaften, Köln.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2018. "The effect of parental wealth on children’s educational decisions in Germany: Intellectual disadvantage compensation or educational demotivation? ." 1. Kongress der Akademie für Soziologie, 2018-04-05.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2017. "The Effect of Parental Wealth on Educational Decisions." Pathways into, through and out of Higher Education: An International and Interdisciplinary Conference, 2017-09-10.
Ludwig, Volker, Klaus Pforr, and Ulrich Krieger. 2016. "Brevity is the soul of wit! Using the panel structure of an interview to estimtate the effect of questionnaire length on item nonresponse." 38. Kongress der Deutschen Gesellschaft für Soziologie, 2016-09-26.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2016. "Can Parental Wealth Explain the Low Rates of Intergenerational Educational Upward Mobility in Germany." 3rd ISA Forum of Sociology, 2016-07-11.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2016. "The Effect of Parental Wealth on Children’s Educational Attainment: Demotivation or Risk Minimization?" ISA RC28 Summer Meeting: "Economic inequalities, deprivation, and poverty", 2016-08-31.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2016. "The Effect of Parental Wealth on Children’s Educational Attainment: Demotivation or Risk Minimization?" ECSR 2016 Conference "Stratification and Population Processes in European Societies", 2016-09-22.
Müller, Nora, Klaus Pforr, and Oshrat Hochman. 2016. "The Effect of Parental Wealth on Children’s Educational Attainment: Demotivation or Risk Minimization?" SLLS International Conference 2016 "Education and the Life Course: Determinants and Consequences of Unequal Educational Opportunities", 2016-10-08.
Pforr, Klaus. 2015. "Are Incentive Effects on Response Rates and Nonresponse Bias in Large-Scale, Face-to-Face Surveys Generalizable to Germany? Evidence from Ten Experiments." AAPOR 2015: 70th Annual Conference "A Meeting Place", 2015-05-14. http://www.aapor.org/AAPORKentico/AAPOR_Main/media/AnnualMeetingProceedings/2015/G2-5-Pforr.pdf.
Pforr, Klaus. 2015. "Multinomial logistic regression with fixed effects." ESRA 2015: 6th Conference of the European Survey Research Association, 2015-07-13. http://www.europeansurveyresearch.org/conf2015/uploads/193/103/138/pforr_femlogit_esra2015.pdf.
Bosnjak, Michael, Tobias Enderle, and Klaus Pforr. 2015. "Representativeness of a mixed-mode panel across time: Evidence from the GESIS Panel." 70th Annual Conference of the American Association for Public Opinion Research (AAPOR), 2015-05-14.
Pforr, Klaus, Tanja Dannwolf, and Michael Bosnjak. 2015. "Selective Mode Choice and its Implications." 5th Annual General Conference of the European Political Science Association, 2015-06-26.
Best, Henning, and Klaus Pforr. 2015. "Strategies for Implementing Mixed-Mode Designs in Business Surveys." ESA 2015: 12the Conference of the European Sociological Association, 2015-08-25.
Dannwolf, Tanja, and Klaus Pforr. 2015. "Why do Internet users choose the offline mode? Evidence from the recruitment of a mixed mode panel." ESRA 2015: 6th Conference of the European Survey Research Association, 2015-07-16. http://www.europeansurveyresearch.org/conf2015/uploads/835/1438/189/DannwolfPforrESRA2015.pdf.
Pforr, Klaus, and Andreas Horr. 2014. "Measurement of stated preferences about two-dimesional bundles of good: application to ethnic preferences at choice of residence." Do I like what I prefer? Intergrating research on attitudes and preferences; Symposium of the Graduate School of Decision Sciences (GSDS), 2014-12-17.
Pforr, Klaus, and Andreas Horr. 2014. "Urban segregation as consequence of preference-based mobility: agent-based simulation augemented with empirical data." Computational Social Science Winter Symposium 2014.
Pforr, Klaus. 2013. "How to interpret the logistic regression with fixed effects." 5th ESRA Conference.
Pforr, Klaus, and Andreas Horr. 2013. "Wohnsegregation als Folge präferenzbasierter Wohnortwahlen: eine agentenbasierte Simulation auf Basis empirischer Daten." Frühjahrstagung der Sektion „Modellbildung und Simulation“ der Deutschen Gesellschaft für Soziologie.
Brüderl, Josef, Klaus Pforr, Nina Schumann, Jette Schröder, and Philipp Schütze. 2012. "Does Measurement Affect Relationship Quality and Stability? An Experimental Study on Panel Conditioning." 2012 International Panel Survey Methods Workshop.
Brüderl, Josef, Klaus Pforr, Nina Schumann, Jette Schröder, and Philipp Schütze. 2012. "Does measurement affect relationship quality and stability? An experimental study on panel conditioning." Frühjahrstagung der Sektionen "Methoden der empirischen Sozialforschung“ und "Modellbildung und Simulation“ der DGS: "Kausalanalyse mit Paneldaten“.
Pforr, Klaus, and Andreas Horr. 2012. "Erweiterung der Messung von stated preferences auf zweidimensionale Güterbündel: Anwendung auf ethnische Präferenzen bei der Wohnortwahl." Rational Choice Sociology: Theory and Empirical Applications.
Mathiak, Brigitte, Jette Schröder, Klaus Pforr, and Volker Ludwig. 2011. "Der Einsatz der Dokumentationssoftware QDDS im Beziehungs- und Familienpanel." 5. Workshops der Panel Surveys in Deutschland.
Brüderl, Josef, Klaus Pforr, Jette Schröder, Philipp Schütze, and Nina Schuhmann. 2011. "Does repeated measurement affect relationship quality and stability? an experimental study on panel conditioning." Society for Longitudinal and Life Course Studies International Conference.
Pforr, Klaus. 2011. "Implementation of a multinomial logit model with fixed effects." 2011 German Stata Users Group Meeting.
Pforr, Klaus. 2009. "Pairfam - study description and DDI documentation targets." DDI: Support Preservation, Management, Access and Dissemination Systems for Social Science Data.
Castiglioni, Laura, Klaus Pforr, and Ulrich Krieger. 2008. "Beyond the household–accessibility of partners and parents outside of the household for panel studies." Proceedings of the 7th International Conference on Social Science Methodology.
Presentation not at a conference
Müller, Nora, Jascha Dräger, and Klaus Pforr. 2024. "The Keys to the House - How Wealth Transfers Stratify Homeownership Opportunities." SEMILUX, University of Luxembourg, 2024-05-15.
Pforr, Klaus. 2024. "There goes the "Auswahlbezirk": Estimation of "White-Flight"-Effects using the German Microcensus ." Research Colloquium "Comparative Stratification Research" 2024, Ludwig-Maximilians-Universität München, Munich, 2024-06-18.
Roth, Tobias, Klaus Pforr, Andreas Horr, and Natalie Backes. 2023. "Ethnic Rent Penalties in the German Housing Market." Brown Bag Seminar at the Department of Sociology and Social Research of the University of Trento, University of Trento, Center for Social Inequality Studies (CSIS), Trento, 2023-02-23.
Pforr, Klaus. 2018. "Regionale Kontextdaten aus dem Mikrozensus." Abteilungskolloquium LIFBI Abteilung II, 2018-04-12.
Pforr, Klaus. 2018. "Regionale Kontextdaten aus dem Mikrozensus." Research Seminar in Economics, 2018-07-05.
Pforr, Klaus. 2014. "Wirkung von Incentives auf Nonresponse and Nonresponse Bias in großen f2f-Studien in Deutschland." 35. Sitzung des Rates für Sozial- und Wirtschaftsdaten, 2014-05-22.
Tutorial
Pforr, Klaus. 2007. "Statistische Modelle für diskrete Entscheidungen: Übung für Fortgeschrittene." SS 2007: 2 SWS.
Colloquium
Pforr, Klaus. 2011. "Bachelor-Kurs: "Kolloquium Abschlussarbeit"." Universität Mannheim. SS 2011: 2 SWS.
Other
Pforr, Klaus. 2019. "EU-LFS Workshop 2019: Working with European Union Labour Force Survey (EU-LFS)."
Dräger, Jascha, and Klaus Pforr. 2019. "Mediators of Competence Disparities by Parental Financial Resources among Pre-Schoolers in Germany." https://osf.io/hkx7t/.
Event
Wirth, Heike, and Klaus Pforr. 2023. "8th European User Conference for EU-Microdata." 2023-03-16 - 2023-03-17.
Pforr, Klaus. 2023. "Session H: Social Policy." 8th European User Conference for EU-Microdata, Universität Mannheim, Mannheim, 2023-03-17 - 2023-03-17.
Roth, Tobias, Antje Bakker, Klaus Pforr, and Halil Duran. 2022. "10. Konferenz "Forschen mit dem Mikrozensus"." Online, 2022-11-24 - 2022-11-25.
Wenz, Sebastian E., Nora Müller, Klaus Pforr, and Lynn-Malou Lutz. 2021. "AS Workshop: Causality in the Social Sciences III." AS Workshop: Causality in the Social Sciences III, Online, 2021-10-14 - 2021-10-15. https://www.gesis.org/causality-workshop.
Müller, Nora, and Klaus Pforr. 2021. "Session 326: Consequences of wealth (inequality)." 4th ISA forum of sociology, Porto Alegre, Brazil, Virtuell, 2021-02-23 - 2021-02-28.
Pforr, Klaus. 2021. "Session I: Energy/Ecology." 7th European User Conference for EU-Microdata, 2021-03-25 - 2021-03-26.
Pforr, Klaus. 2019. "Session G: Labour Market II." European Microdata: 6th European User Conference for EU-Microdata, 2019-03-07 - 2019-03-08.
Börlin, Simon, and Klaus Pforr. 2019. "Session: Microdata from Official Statistics." ESRA 2019: 8th Conference of the European Survey Research Association, Zagreb (Croatia), University of Zagreb, 2019-07-19 - 2019-07-19. https://www.europeansurveyresearch.org/conferences/programme?sess=34.
Pforr, Klaus. 2017. "Session D: Wage Dynamics." 5th European User Conference for EU-Microdata, Mannheim, 2017-03-02.
Pforr, Klaus, Josef Brüderl, and Jette Schröder. 2015. "Recent developments in the analysis of panel data." ESRA 2015: 6th Conference of the European Survey Research Association, Reykjavik, 2015-07-13 - 2015-07-17.
Best, Henning, and Klaus Pforr. 2013. "The trouble with logit and probit: teaching and presenting nonlinear probability models." 5th ESRA Conference, Ljubljana.
Pforr, Klaus, Ulrich Krieger, and Michael Blohm. 2013. "The use of respondent incentives in face-to-face surveys: effects on response rates, survey error and survey costs." 5th ESRA Conference, Ljubljana.