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Dr. Johann Jacoby
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, 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]
 

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]
 

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, September). Langeweile als Appraisal-basierte Emotion. 13. Tagung der Fachgruppe Sozialpsychologie der DGPs. Hamburg. [Vortrag]
 

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]
 

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