Publications

Papers

1. Pfeifer, N.& Douven, I. (submitted). Formal epistemology and the new paradigm psychology of reasoning.
   
   
2. Pfeifer, N. (under revision). The new psychology of reasoning: A mental probability logical perspective.
   
   
3. Pfeifer, N. (under revision). Reasoning about uncertain conditionals.
   
   
4. Pfeifer, N. (2013). On argument strength. In F. Zenker (Ed.), Bayesian argumentation. The practical side of probability (pp. 185-193). Dordrecht: Synthese Library Vol. 362 (Springer). Download.
   
   
5. Pfeifer, K. & Pfeifer, N. (2013). Severe storm reports of the 17th century: Examples from the UK and France. Proceedings of the 7th European Conference on Severe Storms (ECSS 2013), extended abstract #100. Helsinki (Finland).
   
   
6. Pfeifer, N. & Pfeifer, K. (2013). Forces of nature and cultural responses: An introduction. In K. Pfeifer & N. Pfeifer (Eds.), Forces of nature and cultural responses (pp. 1-4). Dordrecht: Springer.
   
   
7. Pfeifer, N. (2012). Experiments on Aristotle's Thesis: Towards an experimental philosophy of conditionals. The Monist, 95(2), 223-240. Download.
   The abstract is published in The Review of Metaphysics, 2012, 65(4), p. 938.
   
   
8. Pfeifer, N. (2012). Rationality frameworks for conditionals. The Reasoner, 6(10), 158-159.
   
   
9. Fugard, A. J. B., Pfeifer, N. & Mayerhofer, B. (2011). Probabilistic theories of reasoning need pragmatics too: Modulating relevance in uncertain conditionals. Journal of Pragmatics, 43, 2034–2042. Download.
   
   
10. Fugard, A. J. B., Pfeifer, N., Mayerhofer, B. & Kleiter, G. D. (2011). How people interpret conditionals: Shifts towards the conditional event. Journal of Experimental Psychology: Learning, Memory, and Cognition, 37(3), 635-648. Download.
    
    
11. Hauer, K. & Pfeifer, N. (2011). Reporting on historical severe storms: Two examples of Utrecht (1674) and Abtenau (1796). Atmospheric Research, 100(4), 580-585.
    
    
12. Pfeifer, K. & Pfeifer, N. (2011). Investigating historical severe storms in Austria (1604, 1807) and England (1638). Proceedings of the 6th European Conference on Severe Storms (ECSS 2011), extended abstract #38 (1-3). Palma de Mallorca, Balearic Islands (Spain).
    
    
13. Pfeifer, N. (2011). Systematic rationality norms provide research roadmaps and clarity. Commentary on Elqayam & Evans: Subtracting "ought" from "is": Descriptivism versus normativism in the study of human thinking. Behavioral and Brain Sciences, 34(5), 263-264.
    
    
14. Pfeifer, N. (2011). Editorial and interview with Wilfrid Hodges. The Reasoner, 5(11), 178-183.
    
    
15. Pfeifer, N. & Kleiter, G. D. (2011). Uncertain deductive reasoning. In K. Manktelow, Over, D. E., and S. Elqayam (Eds.), The science of reason: A Festschrift for Jonathan St B.T. Evans (pp. 145-166). Hove, UK: Psychology Press. Download. BibTeX.
    
    
16. Pfeifer, N. & Kleiter, G. D. (2010). The conditional in mental probability logic. In M. Oaksford & N. Chater (Eds.), Cognition and conditionals: Probability and logic in human thought (pp. 153-173). Oxford: Oxford University Press. Download. BibTeX.
    
    
17. Pfeifer, N. (2009). [Review of the book Numerical term logic]. Cogency: Journal of Reasoning and Argumentation, 1(2), 133-136. Download.
    
    
18. Fugard, A. J. B., Pfeifer, N., Mayerhofer, B. & Kleiter, G. D. (2009). How people interpret an uncertain If. In T. Kroupa & J. Vejnarova (Eds.). Proceedings of the 8th Workshop on Uncertainty Processing (pp. 80-91), Liblice, CZ. Download. BibTeX.
    
    
19. Pfeifer, N. & Kleiter, G. D. (2009). Framing human inference by coherence based probability logic. Journal of Applied Logic, 7(2), 206-217. Download. BibTeX.
    
    
20. Pfeifer, N. & Kleiter, G. D. (2009). Mental probability logic. Commentary on Oaksford & Chater: Bayesian Rationality. The Probabilistic Approach to human reasoning. Oxford University Press. Behavioral and Brain Sciences, 32(1), 98-99. Open in new window. BibTeX.
    
    
21. Pfeifer, N. (2008). A probability logical interpretation of fallacies. In G. Kreuzbauer, N. Gratzl, & E. Hiebl (Eds.), Rhetorische Wissenschaft: Rede und Argumentation in Theorie und Praxis (pp. 225-244). Wien: LIT. Download. BibTeX.
    
    
22. Pfeifer, N. & Kleiter, G. D. (2007). Human reasoning with imprecise probabilities: Modus ponens and Denying the antecedent. In Proceedings of the 5th International Symposium on Imprecise Probability: Theories and Applications (pp. 347-356). Prague, CZ. Download. BibTeX.
    
    
23. Pfeifer, N. & Kleiter, G. D. (2007). Nonmonotonicity and human probabilistic reasoning. Technical report. Download.
    
    
24. Pfeifer, N. (2007). Rational argumentation under uncertainty. In G. Kreuzbauer, N. Gratzl & E. Hiebl (Eds.). Persuasion und Wissenschaft: Aktuelle Fragestellungen von Rhetorik und Argumentationstheorie (pp. 181-191). Wien: LIT. Download. BibTeX.
    
    
25. Pfeifer, N. & Kleiter, G. D. (2006). Inference in conditional probability logic. Kybernetika, 42, 391-404. Download. BibTeX.
    
    
26. Pfeifer, N. & Kleiter, G. D. (2006). Is human reasoning about nonmonotonic conditionals probabilistically coherent? Proceedings of the 7th Workshop on Uncertainty Processing (pp. 138-150). Mikulov, CZ. Download. BibTeX.
    
    
27. Pfeifer, N. (2006). Contemporary syllogistics: Comparative and quantitative syllogisms. In G. Kreuzbauer & G. Dorn (Eds.). Argumentation in Theorie und Praxis: Philosophie und Didaktik des Argumentierens (pp. 57-71). Wien: LIT. Download. BibTeX.
    
    
28. Pfeifer, N. & Kleiter G. D. (2006). Towards a probability logic based on statistical reasoning. In Proceedings of the 11th IPMU Conference (Information Processing and Management of Uncertainty in Knowledge-Based Systems) (pp. 2308-2315). Paris, France. Download. BibTeX.
    
    
29. Pfeifer, N. & Kleiter, G. D. (2005). Inference in conditional probability logic. In Proceedings of the 8th Czech-Japan Seminar on Data Analysis and Decision Making under Uncertainty (pp. 101-108). Trest, CZ. Revised version published 2006 in Kybernetika, 42(4), 391-404. BibTeX.
    
    
30. Pfeifer, N. & Kleiter, G. D. (2005). Syllogistic reasoning with intermediate quantifiers (Technical report). University of Salzburg, Department of Psychology. Download. BibTeX.
    
    
31. Pfeifer, N. & Kleiter, G. D. (2005). Towards a mental probability logic. Psychologica Belgica, 45(1), 71-99. Download updated version. BibTeX.
    
    
32. Pfeifer, N. & Kleiter, G. D. (2005). Coherence and nonmonotonicity in human reasoning, Synthese, 146(1-2), 93-109. BibTeX.
    
    
33. Pfeifer, N. & Kleiter, G. D. (2003). Nonmonotonicity and human probabilistic reasoning. Proceedings of the 6th Workshop on Uncertainty Processing (pp. 221-234). Hejnice, CZ. Download. BibTeX.
    
    
34. Anglberger, A., Brossel, P., Furlan, N., Greinecker, F., Karlegger, M., Pfeifer, N., Stefan, M. & Ungar, A. (2003). Rezension: Was wir Karl R. Popper und seiner Philosophie verdanken. Kriterion, 17, pp. 23-27.
    
    
35. Pfeifer, N. & Kleiter, G. D. (2002). Experiments on nonmonotonic reasoning. The coherence of human probability judgments. In H. Leitgeb. & G. Schurz (Eds.), Proceedings of the 1st Salzburg Workshop on Paradigms of Cognition. Universität Salzburg, Institut für Philosophie. Download. A shortened version was published 2005 in Synthese, 146(1-2). BibTeX.

Books and theses

1. Pfeifer, K. & Pfeifer, N. (Eds.) (2013). Forces of nature and cultural responses. Dordrecht: Springer.
   
   
   
   
2. Pfeifer, N. (2012). Naturalized formal epistemology of uncertain reasoning. Second doctoral dissertation, The Tilburg Center for Logic and Philosophy of Science, Tilburg University.
   The abstract will be published in The Knowledge Engineering Review.
   
   
3. Pfeifer, N. (2006). On mental probability logic. First doctoral dissertation, Department of Psychology, University of Salzburg. Download. BibTeX.
   The abstract is published in The Knowledge Engineering Review, 2008, 23, pp. 217-226.
   
   
4. Pfeifer, N. (2002). Psychological investigations of human nonmonotonic reasoning with a focus on System P and the conjunction fallacy. Master's thesis, Department of Psychology, University of Salzburg. Download. BibTeX.

Talks

1. Pfeifer, N. Normative and descriptive perspectives on natural risks. Seventh Biennial Conference of the European Society for Environmental History, "Circulating Natures: Water - Food - Energy", Ludwig-Maximilians-University Munich (Germany), 20.-24.08.2013.
   
   
2. Pfeifer, N. Mathematical philosophy meets mathematical psychology. 46th Annual Meeting of the Society of Mathematical Psychology, Potsdam (Germany), 04-07.08.2013.
   
   
3. Pfeifer, N. Conditionals under incomplete knowledge. 7th London Reasoning Workshop (LRW2013), London (UK), 25-26.07.2013.
   
   
4. Pfeifer, N. Incomplete probabilistic knowledge and cognition. 21st Meeting of the European Society for Philosophy and Psychology (ESPP 2013), Granada (Spain), 09-12.07.2013.
   
   
5. Pfeifer, N. How people (ought to) reason under uncertainty. CFE Workshop on Cognition and Formal Theories of Reasoning, Carnegie Mellon University (USA), 30.03.2013.
   
   
6. Pfeifer, N. Probability logic and human reasoning. Center for Philosophy of Science (Lunchtime talk), University of Pittsburgh (USA), 05.03.2013. Photos.
   
   
7. Pfeifer, N. Formal and cognitive foundations of probabilistic justification. Judgment and Justification (conference), University of Tampere (Finland), 24.-26.09.2012.
   
   
8. Pfeifer, N. Modeling uncertain inference: Formal and cognitive foundations. Department Methodology & Statistics. Maastricht University (The Netherlands), 13.09.2012.
   
   
9. Pfeifer, N. Naturalized formal epistemology of uncertain reasoning. PhD defense at the Graduate School for Humanities, Tilburg University (The Netherlands), 10.09.2012.
   
   
10. Pfeifer, N. Introduction to rationality frameworks for conditionals. Rationality frameworks for conditionals (workshop). Munich Center for Mathematical Philosophy (Germany), 17.08.2012.
    
    
11. Pfeifer, N. Measuring argument strength. 5th eColloq on Argumentation, The World Wide Web, 19.07.2012.
    
    
12. Pfeifer, N. The mental probability logical perspective on the new psychology of reasoning. 7th International Conference on Thinking, Birkbeck College and University College London (UK), 04.-06.07.2012.
    
    
13. Pfeifer, N. Probabilistic justification. Justification II: From Reasons to Reasoning (workshop), Collège de France (hosted by the Institut Jean Nicod; invited talk) Paris (France), 03.05.2012.
    
    
14. Pfeifer, N. Rational reasoning with conditionals and probabilities. Logical foundations and empirical evaluation. SPP 1516 "New frameworks of rationality" kickoff workshop, Tutzing (Germany), 20.-23.03.2012.
    
    
15. Pfeifer, K. & Pfeifer, N. Investigating historical severe storms in Austria (1604, 1807) and England (1638). 6th European Conference on Severe Storms, ECSS 2011, Palma de Mallorca (Spain), 03-07.10.2011.
    
    
16. Pfeifer, N. & Douven, I. Formal epistemology + psycholoy of reasoning = experimental philosophy of uncertain reasoning. Formal Epistemology Meets Experimental Philosophy, Tilburg (The Netherlands), 29.-30.09.2011.
    
    
17. Pfeifer, N. Probability and logic in psychology: a new form of psychologism? LogICCC Final Conference, Berlin (Germany), 15.-18.09.2011.
    
    
18. Pfeifer, N. Coherence based probability logic: Philosophical and psychological applications. The Fifth Workshop on Combining Probability and Logic (progic2011), Columbia University, New York (USA), 10.-11.09.2011.
    
    
19. Pfeifer, K. & Pfeifer, N. Remembering natural disasters. Annual conference of the International Society for Cultural History (ISCH 2011), Oslo (Norway), 03.-06.08.2011.
    
    
20. Pfeifer, N. Towards an experimental philosophy of uncertain reasoning. 14th Congress of logic, methodology, and philosophy of science, Nancy (France), 19.-26.07.2011.
    
    
21. Pfeifer, N. Applying coherence based probability logic to philosophical problems. Workshop on Bayesian Methods in Philosophy, Carl-Friedrich von Siemens Foundation Munich (Germany), 15.06.2011. Video recording (released on July 2).
    
    
22. Pfeifer, N. Combining formal epistemology and the psychology of reasoning. The Institute for Logic, Language and Computation, Amsterdam (The Netherlands), 26.05.2011.
    
    
23. Pfeifer, N. Material conditionals are usually not assertable in uncertain environments. Conditionals, Counterfactuals and Causes in Uncertain Environments (invited talk), Düsseldorf (Germany), 19.-22.05.2011.
    
    
24. Pfeifer, N., Sanfilippo, G. & Gilio, A. Coherent probabilistic quantification, existential import and Aristotelian syllogistics. Vague Quantities and Vague Quantifiers (VQ2), Berlin (Germany), 08.-09.12.2010.
    
    
25. Pfeifer, N. Human interpretation and reasoning about conditionals. Workshop on Dialogues, Inference, and Proof - Logical and Empirical Perspectives, Vienna (Austria), 26.-28.11.2010.
    
    
26. Pfeifer, N. Rational argumentation under uncertainty: A probability logical approach. Workshop on Bayesian Argumentation (invited talk), Lund (Sweden), 22.-23.10.2010.
    
    
27. Pfeifer, N. Mental probability logic. SPP 1516 "New frameworks of rationality" kickoff workshop, Potsdam (Germany), 07.-09.10.2010.
    
    
28. Pfeifer, N. Wahrscheinlichkeitslogik als Rationalitätsnorm. KogWis 2010 - The 10th Biannual Meeting of the German Society for Cognitive Science (invited talk), Potsdam (Germany), 03.-06.10.2010.
    
    
29. Pfeifer, N. Aristotle's thesis, syllogisms and human probabilistic reasoning. Dipartimento di Scienze Statistiche e Matematiche "Silvio Vianelli", Universitá degli Studi di Palermo (Italy), 10.09.2010.
    
    
30. Fugard, A. J. B. & Pfeifer, N. The psychology of deduction in a probabilistic setting. Talk at the symposium What is a deduction? Integrating logical, psychological and philosophical perspectives, at the Annual Meeting of the European Society for Philosophy and Psychology, Bochum and Essen (Germany), 25.-28.08.2010.
    
    
31. Pfeifer, N. Experiments on Aristotle's Thesis: New evidence against the material conditional interpretation 5th London Reasoning Workshop, London (UK), 29.-30.07.2010.
    
    
32. Pfeifer, N. The role of logic and probability in the psychology of reasoning. Seminar for Mathematical Logic at the Mathematical Institute of the Serbian Academy of Sciences and Arts (invited talk), Belgrade (Serbia), 04.06.2010.
    
    
33. Pfeifer, N. Properties of probabilistic argument forms. Mathematical Institute of the Serbian Academy of Sciences and Arts (invited talk), Belgrade (Serbia), 03.06.2010.
    
    
34. Pfeifer, N. Denken mit unsicheren Konditionalen. Abteilung Allgemeine Psychologie und Kognitionsforschung, Justus-Liebig-Universität Giessen (Germany), 01.06.2010.
    
    
35. Pfeifer, N. Investigating probabilistic argument forms. Formal Epistemology Project, Centre for Logic & Analytical Philosophy, University of Leuven (Belgium), 20.04.2010.
    
    
36. Pfeifer, N. Investigating human inference in a probability logic framework. Research Seminar in Epistemology and Philosophy of Science, invited by the Tilburg Center for Logic and Philosophy of Science, Tilburg (The Netherlands), 06.04.2010.
    
    
37. Pfeifer, N. Human conditional reasoning and Aristotle's Thesis. PROBNET'10 (Probabilistic networks) workshop, Salzburg (Austria), 25.-28.02.2010.
    
    
38. Fugard, A. J. B., Pfeifer, N., Mayerhofer, B. & Kleiter, G. D How people converge on an interpretation of conditionals. PROBNET'10 (Probabilistic networks) workshop, Salzburg (Austria), 25.-28.02.2010.
    
    
39. Fugard, A. J. B. & Pfeifer, N. What does probability have to do with how people reason? Department of Psychology, University of Salzburg (Austria) invited by the Salzburger Gesellschaft für Psychologie, 13.01.2010.
    
    
40. Pfeifer, N. Towards a probabilistic semantics of syllogisms. LogiCCC working day at WUPES 2009, Liblice (Czech Republic), 23.09.2009.
    
    
41. Fugard, A. J. B., Pfeifer, N., Mayerhofer, B. & Kleiter, G. D. How people interpret an uncertain If. 8th Workshop on Uncertainty Processing (WUPES 2009), Liblice (Czech Republic), 19.-23.09.2009.
    
    
42. Pfeifer, N. Modeling human conditional reasoning by probability logic. Conditionals and Conditionalization, Leuven (Belgium), 04.-06.09.2009.
    
    
43. Pfeifer, N., Kratzer, L., Fugard, A. J. B. & Kleiter, G. D. Do people understand probabilistic (non-)informativeness? 4th London Reasoning Workshop, London (UK), 27.-28.07.2009.
    
    
44. Fugard, A. J. B., Pfeifer, N., Mayerhofer, B. & Kleiter, G. D. Conditional interpretation in a generalized probabilistic truth table task. 4th London Reasoning Workshop, London (UK), 27.-28.07.2009.
    
    
45. Pfeifer, N. Cognition and conditionals. Talk. Conditionals. A one-day workshop at the University of Düsseldorf (Germany), 11.05.2009.
    
    
46. Pfeifer, N., Kratzer, L. & Kleiter, G. D. What do people think about the paradoxes of the material conditional? Talk. PROBNET'09 (The Logic of Causal and Probabilistic Reasoning in Uncertain Environments) workshop, Salzburg (Austria), 19.02.-23.02.2009. Slides.
    
    
47. Pfeifer, N. & Kleiter, G. D. Uncertain deductive reasoning. Talk. 3rd London Reasoning Workshop, London (UK), 18.-19.08.2008. Slides.
    
    
48. Pfeifer, N. & Kleiter, G. D. Human reasoning about uncertain conditionals. Talk. 3rd International Workshop on Data--Algorithms--Decision Making, Liblice (Czech Republic), 09.12.-11.12.2007.
    
    
49. Pfeifer, N. & Kleiter, G. D. Conditional reasoning in mental probability logic. Talk. PROBNET'07 (Probabilistic networks and uncertain reasoning) workshop, Salzburg (Austria), 29.11.-02.12.2007.
    
    
50. Pfeifer, N. & Kleiter, G. D. Framing human inference by coherence based probability logic. Talk given by Kleiter at the 10th Czech-Japan Seminar on Data Analysis and Decision-Making under Uncertainty, Liblice (Czech Republic), 15.-18.09.2007.
    
    
51. Pfeifer, N. & Kleiter, G. D. Framing human inference by coherence based probability logic. The Third Workshop on Combining Probability and Logic (progic07), Canterbury (UK), 05.-07.09.2007. Slides.
    
    
52. Pfeifer, N. & Kleiter, G. D. The Conditional in Mental Probability Logic. Talk. 2nd London Reasoning Workshop, London (UK), 28.-29.08.2007. Slides.
    
    
53. Pfeifer, N. & Kleiter, G. D. Human reasoning with imprecise probabilities: Modus ponens and Denying the antecedent. Talk. 5th International Symposium on Imprecise Probability: Theories and Applications, Prague (Czech Republic), 16.-19.07.2007.
    
    
54. Pfeifer, N. Probabilistic argumentation. Talk (30 min.) given at the 4. Salzburger Rhetorik Gespräche at the University of Salzburg, 13.-14.04.2007.
    
    
55. Pfeifer, N., Bauerecker, F. & Kleiter, G. D. Human conditional reasoning. Talk (30 min.) given at given at the PROBNET'06 (Probabilistic networks and uncertain reasoning) workshop, Salzburg (Austria). 30.11.-04.12.2006.
    
    
56. Pfeifer, N. Mental probability logic. Talk (60 min.) given at the Department of Philosophy of the Heinrich Heine University (Chair of Theoretical Philosophy), Düsseldorf (Germany), 28.11.2006. Slides.
    
    
57. Pfeifer, N. & Kleiter, G. D. Is human reasoning about nonmonotonic conditionals probabilistically coherent? Talk (45 min.) given at the 7th Workshop on Uncertainty Processing WUPES 2006, Mikulov (Czech Republic), 16.-20.09.2006.
    
    
58. Pfeifer, N. & Kleiter, G. D. Towards a probability logic based on statistical reasoning. Talk given by Kleiter at the 11th IPMU Conference (Information Processing and Management of Uncertainty in Knowledge-Based Systems), Paris (France), 02.-07.07.2006.
    
    
59. Pfeifer, N. & Kleiter, G. D. Denken mit nichtmonotonen Konditionalen . Talk (60 min.) given at the Department of Psychology for the Salzburger Gesellschaft für Psychologie, 07.06.2006
    
    
60. Pfeifer, N. Argumentation mit unsicherem Wissen. Talk (30 min.) given at the 3. Salzburger Rhetorik Gespräche at the University of Salzburg, 21.-22.04.2006.
    
    
61. Pfeifer, N. & Kleiter, G. D. Experiments on human nonmonotonic reasoning. Talk (40 min.) given at the PROBNET'05 (Probabilistic networks and uncertain reasoning) workshop, Salzburg (Austria). 02.-05.12.2005.
    
    
62. Pfeifer, N. & Kleiter, G. D. Logical validity and probabilistic informativeness. Talk (30 min.) given at the VRSR (October Soft-Computing Workshop), Rickach v Orlickych horach (Czech Republic), 11.-13.11.2005.
    
    
63. Pfeifer, N. & Kleiter, G. D. Schlüsse mit Wahrscheinlichkeitsintervallen. Talk (45 min.) given at the Fachbereich Philosophie an der Kultur- und Geisteswissenschaftlichen Fakultät der Universität Salzburg (Austria), 03.11.2005.
    
    
64. Pfeifer, N. & Kleiter, G. D. Inference in conditional probability logic. Talk given at the 8th Czech-Japan Seminar on Data Analysis and Decision Making under Uncertainty, Trest (Czech Republic), 18.-21.09.2005.
    
    
65. Pfeifer, N. Syllogistik modern. Talk (30 min.) given at the 2. Salzburger Rhetorik Gespräche at the University of Salzburg, 01.04.2005. Abstract (in German).
    
    
66. Pfeifer, N. Komparative und quantitative Syllogistik. Talk (45 min.) given at the Fachbereich Philosophie an der Kultur- und Geisteswissenschaftlichen Fakultät der Universität Salzburg, 03.03.2005.
    
    
67. Pfeifer, N. & Kleiter, G. D. Generalized quantifiers. Talk (40 min.) given at the PROBNET'04 (Perfect sequences and their application to multidimensional model representation) workshop, Salzburg (Austria). 02.-05.12.2004.
    
    
68. Pfeifer, N. & Kleiter, G. D. Investigating human nonmonotonic reasoning. Talk (20 min.) given at the 5th International Conference on Thinking, Leuven (Belgium), 22.-24.07.2004.
    Slides.
    
    
69. Pfeifer, N. & Kleiter, G. D. Nonmonotonicity and human probabilistic reasoning. Talk (30 min.) given at the 6th Workshop on Uncertainty Processing WUPES 2003, Hejnice (Czech Republic), 24.-27.09.2003.
    
    
70. Pfeifer, N. & Kleiter, G. D. Nichtmonotones Schließen. Talk (60 min.) given at the Department of Psychology for the Salzburger Gesellschaft für Psychologie, 18.06.2003. Abstract (in German).
    
    
71. Pfeifer, N. & Kleiter, G. D. Human nonmonotonic reasoning and the coherence of probabilistic inferences. Talk (40 min.) given at the PROBNET'02 (Psychological and Algorithmic Methods in Probabilistic Networks) workshop, Salzburg (Austria). 06.-09.10.2002. Slides.
    
    
72. Pfeifer, N. & Kleiter, G. D. Experiments on nonmonotonic reasoning and the coherence of human probability judgments. Talk (40 min.) given at the "First Salzburg Workshop on Paradigms of Cognition". 18.-20.07.2002. Slides.

Posters

1. Pfeifer, K. & Pfeifer, N. Severe storm reports of the 17th century: Examples from the UK and France. 7th European Conference on Severe Storms, ECSS 2013, Helsinki (Finland), 03-07.06.2013.
   
   
2. Pfeifer, N. & Kleiter, G. D. Uncertain deductive reasoning. Poster. 6th International Conference on Thinking, Venice (Italy), 21.-23.08.2008.
   
   
3. Pfeifer, N. & Kleiter, G. D. Human reasoning with imprecise probabilities: Modus ponens and Denying the antecedent. Poster. 5th International Symposium on Imprecise Probability: Theories and Applications, Prague (Czech Republic), 16.-19.07.2007.
   
   
4. Pfeifer, N. Mental probability logic---A competence model of human reasoning. Poster (3rd prize out of 40 in the poster awards). 6th Summer Institute on Bounded Rationality in Psychology and Economics, Berlin (Germany) 10.-18.08.2006.

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