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Former member of staff [2008-03-01 - 2016-12-31]

Dr. Johann Jacoby

Former Projects

Self-Regulation and Information Exchange in Groups

Social Exclusion and Boredom in Virtual Environments

Articles in refereed Journals

Sassenberg, K., Landkammer, F., & Jacoby, J. (2014). The influence of regulatory focus and group vs. individual goals on the evaluation bias in the context of group decision making. Journal of Experimental Social Psychology, 54, 153-164. https://dx.doi.org/10.1016/j.jesp.2014.05.009 request document
 

Jacoby, J., & Sassenberg, K. (2011). Interaction does not only tell us 'when', but can also tell us 'how': Testing process hypotheses by interaction. European Journal of Social Psychology, 41, 180-190. request document
 

Sassenberg, K., Moskowitz, G. B., Jacoby, J., & Hansen, N. (2007). The carry-over effect of competition: The impact of competition on prejudice towards uninvolved outgroups. Journal of Experimental Social Psychology, 43, 529-538. request document
 

Conference Contributions

Ditrich, L., Landkammer, F., Sassenberg, K., & Jacoby, J. (2014, September). Einfluss des regulatorischen Fokus und inititaler Meinungen auf den Entscheidungsprozess. 49. Kongress der Deutschen Gesellschaft für Psychologie. Bochum. [Poster]
 

Ditrich, L., Landkammer, F., Sassenberg, K., & Jacoby, J. (2014, July). The impact of regualtory focus and initial opinions about decision making. 17th General Meeting of the European Association of Social Psychology (EASP). Amsterdam, The Neterlands. [Poster]
 

Sassenberg, K., Landkammer, F., & Jacoby, J. (2014, July). The impact of goals and regulatory focus on the confirmation bias in grouop decision making. 17th General Meeting of the European Association of Social Psychology (EASP). Amsterdam, The Neterlands. [Poster]
 

Landkammer, F., Sassenberg, K., & Jacoby, J. (2013, May). Promotion focus and group goals reduce the confirmation bias in group decision making. 16th Congress of the European Association of Work and Organizational Psychology (EAWOP). Münster. [Poster]
 

Sassenberg, K., Landkammer, F., & Jacoby, J. (2013, January). The impact of goals and regulatory focus on the confirmation bias in group decision making. 14th Annual Meeting of the Society for Personality and Social Psychology. New Orleans, LA, USA. [Poster]
 

Jacoby, J. (2012, September). Korrelative und nichtkorrelative Ansätze zur experimentellen Testung von Prozesshypothesen: Für Methodendiversität über traditionelle Mediationsanalyse hinaus. 48. Kongress der Deutschen Gesellschaft für Psychologie (DGPs). Bielefeld. [Vortrag]
 

Jacoby, J., & Sassenberg, K. (2012, January). Fully experimental strategies to process research: Advantages, challenges, and similarities. 13th Annual Meeting of the Society for Personality and Social Psychology. San Diego, CA, USA. [Poster]
 

Landkammer, F., Sassenberg, K., & Jacoby, J. (2012, September). Der Einfluss motivationaler Faktoren auf den Confirmation Bias in Gruppendiskussionen. 48. Kongress der Deutschen Gesellschaft für Psychologie. Bielefeld. [Vortrag]
 

Sassenberg, K., Landkammer, F., & Jacoby, J. (2012, September). The impact of goals and regulatory focus on the confirmation bias in group decision making. Transfer of Knowledge Conference 2012. Estoril, Portugal. [Talk]
 

Jacoby, J., & Sassenberg, K. (2011, July). A non-social ostracism effect: Understimulation is involved in effects of being excluded and ignored. 16th General Meeting of the European Association of Social Psychology (EASP). Stockholm, Sweden. [Talk]
 

Jacoby, J., & Sassenberg, K. (2011, September). Langeweile als Appraisal-basierte Emotion. 13. Tagung der Fachgruppe Sozialpsychologie der DGPs. Hamburg. [Vortrag]
 

Landkammer, F., Sassenberg, K., & Jacoby, J. (2011, July). The influence of motivational factors on the perception of information in group discussions. European Association of Social Psychology (EASP) Small Group Meeting: The application of self-regulation approaches to social psychological phenomena. Stockholm, Sweden. [Poster]
 

Landkammer, F., Sassenberg, K., & Jacoby, J. (2011, September). Der Einfluss motivationaler Faktoren auf die Rezeption von Informationen in Gruppendiskussionen. 13. Tagung der Fachgruppe Sozialpsychologie der DGPs. Hamburg. [Vortrag]
 

Jacoby, J., & Sassenberg, K. (2010, January). What does boredom have to do with it? Social exclusion and boredom as distinct processes in ostracism. SPSP 11th Annual Meeting. Las Vegas, Nevada, USA. [Poster]
 

Jacoby, J., & Sassenberg, K. (2010, September). Das Gegenteil von Flow: Soziale und nicht-soziale Folgen von Ostrakismos. 47. Kongress der Deutschen Gesellschaft für Psychologie. Bremen. [Talk]
 

Jacoby, J. (2009, August). Rejection and Boredom as distinct processes in ostracism. 11th Congress of the Swiss Psychological Society. Université de Neuchâtel. [Poster]
 

Jacoby, J., & Keller, J. (2009, September). Erleben und Langeweile - Neue Studien zum Erleben von Tätigkeiten im Alltag und im Labor. 12. Tagung der Fachgruppe Sozialpsychologie der DGPs. Walferdange, Luxemburg. [Vortrag]
 

Jacoby, J., & Sassenberg, K. (2009, June). Is being excluded boring? Academic Symposium "Intergroup Relations: The Role of Motivation and Emotion". Jena. [Poster]
 

Jacoby, J., & Sassenberg, K. (2009, September). Zurückgewiesen und gelangweilt: Zur Komplexität von Ostrakismos-Effekten. 12. Tagung der Fachgruppe Sozialpsychologie der DGPs. Walferdange, Luxemburg. [Vortrag]
 

Jacoby, J., & Sassenberg, K. (2009, February). Is being excluded boring? SPSP 10th Annual Meeting. Tampa, Florida, USA. [Poster]
 

Jacoby, J. (2008, July). Testing mediation by moderation: Some conceptual suggestions. XXIX International Congress of Psychology (ICP). Berlin. [Talk]
 

Jacoby, J. (2008, June). The moderator vs. mediator variable distinction revisited - When it may be more promising to use moderation to test mediation. EAESP 15th General Meeting. Opatija, Croatia. [Talk]
 

Sassenberg, K., Moskowitz, G. B., Jacoby, J., & Hansen, N. (2008, February). The impact of competition on prejudice towards uninvolved outgroups. SPSP 9th Annual Meeting. Albuquerque, New Mexico, USA. [Poster]
 

Cohrs, J. C., & Jacoby, J. (2006, June). Anti-Americanism: Prevalence in six European countries and some antecedents. 19th Conference of the German Peace Psychology Association (Forum Friedenspsychologie). Jena. [Talk]
 

Jacoby, J., & Cohrs, J. C. (2006, June). Contemporary anti-Americanism: A reflection of anti-modernism? 19th Conference of the German Peace Psychology Association (Forum Friedenspsychologie). Jena. [Talk]
 

Jacoby, J., & Otten, S. (2005, July). Discrimination in punishment reactions? Towards understanding outgroup derogation. 14th General Meeting of the European Association of Experimental Social Psychology. Würzburg. [Talk]
 

Jacoby, J., & Otten, S. (2005, September). Diskriminierung in Reaktionen auf Normverletzungen: Fremdgruppenabwertung? X. Tagung der Fachgruppe Sozialpsychologie in der Deutschen Gesellschaft für Psychologie (DGPs). Jena. [Vortrag]
 

Sassenberg, K., Moskowitz, G. B., & Jacoby, J. (2005, July). The carry-over effect of competition: The impact of competition on prejudice towards uninvolved groups. 14th General Meeting of the European Association of Experimental Social Psychology. Würzburg. [Talk]
 

Jacoby, J., & Otten, S. (2004, November). Hostile attribution bias and escalatory reaction tendencies in intra- versus intergroup contexts. IX. workshop aggression. Bern. [Talk]
 

Jacoby, J., & Otten, S. (2004, September). Die Rolle von Gruppenmitgliedschaft in aggressiven Interaktionsverläufen. 44. Kongress der Deutschen Gesellschaft für Psychologie (DGPs). Göttingen. [Vortrag]
 

Jacoby, J., & Boos, M. (2003, September). Relevanz und Genauigkeit in Uhrzeitauskünften. IX. Tagung der Fachgruppe Sozialpsychologie in der Deutschen Gesellschaft für Psychologie (DGPs). Heidelberg. [Vortrag]
 

Otten, S., & Jacoby, J. (2003, November). Does mere categorization make a difference? Group membership and hostile attribution bias. VIII. workshop aggression. Berlin. [Talk]
 

Dr. Johann Jacoby
Dr. Johann Jacoby