Beiträge in Fachzeitschriften und Konferenzbänden (mit Peer-Review)

Cargnino, M., & Neubaum, G., (2024). Is it better to strike a balance? How exposure to congruent and incongruent opinion climates on social networking sites impacts users’ processing and selection of information. New Media and Society, 26(5), 2429-2447. https://doi.org/10.1177/14614448221083914

Neubaum, G., Oeldorf-Hirsch, A. & Naab, T.K. (2024). Editorial: Learning politics in a digitized world: when do social media foster political literacy? Frontiers in Psychology, 15:1433144. https://doi.org/10.3389/fpsyg.2024.1433144

Weeks, B. E., Halversen, A., & Neubaum, G. (2024). Too scared to share? Fear of social sanctions for political expression on social media. Journal of Computer-Mediated Communication, 29(1), https://doi.org/10.1093/jcmc/zmad041

Dreston, J. H., & Neubaum, G. (2023). How incidental and intentional news exposure in social media relate to political knowledge and voting intentions. Frontiers in Psychology, 14. https://doi.org/10.3389/fpsyg.2023.1250051

Frauhammer, L. T., & Neubaum, G. (2023). Metacognitive effects of attitudinal (in)congruence on social media: Relating processing fluency, subjective knowledge, and political participation. Frontiers in Psychology, 14, https://doi.org/10.3389/fpsyg.2023.1146674

Neubaum, G., Metzger, M., Krämer, N., & Kyewski, E. (2023). How subjective norms relate to personal privacy regulation in social media: A cross-national approach. Social Media + Society. https://doi.org/10.1177/20563051231182365

Oeldorf-Hirsch, A., & Neubaum, G. (2023a). What do we know about algorithmic literacy? The status quo and a research agenda for a growing field. New Media and Society. https://doi.org/10.1177/14614448231182662

Oeldorf-Hirsch, A., & Neubaum, G. (2023b). Attitudinal and behavioral correlates of algorithmic awareness among German and US social media users. Journal of Computer-Mediated Communication, 28(5). https://doi.org/10.1093/jcmc/zmad035

Cargnino, M., Neubaum, G., & Winter, S. (2023). We’re a good match: Selective political friending on social networking sites. Communications, 48(2), 202-225. https://doi.org/10.1515/commun-2021-0028

Neubaum, G., & Lane, D. S. (2023). Nevertheless, it persists: Political self-effects in the context of persistent social media [Registered Report]. Journal of Media Psychology. https://doi.org/10.1027/1864-1105/a000372

Neubaum, G., & Weeks, B. (2023). Computer-mediated political expression: A conceptual framework of technological affordances and cost-benefit tradeoffs. Journal of Information Technology & Politics. Advance online publication. https://doi.org/10.1080/19331681.2022.2028694

Neubaum, G. (2022). “It’s going to be out there for a long time“ The influence of message persistence on users’ political opinion expression in social media. Communication Research, 49(3), 426–450.  https://doi.org/10.1177/0093650221995314

Röchert, D., Cargnino, M., & Neubaum, G. (2022). Two sides of the same leader. An agent-based model to analyze the effect of ambivalent opinion leaders in social networks. Journal of Computational Social Science, 5, 1159–1205. https://doi.org/10.1007/s42001-022-00161-z

Röchert, D., Neubaum, G., Ross, B., & Stieglitz, S. (2022). Caught in a networked collusion? Homogeneity in conspiracy-related discussion networks on YouTube. Information Systems, 102, 101866. https://doi.org/10.1016/j.is.2021.101866

Cargnino, M., & Neubaum, G. (2021). Are we deliberately captivated in homogeneous cocoons? An investigation on political tie building on social networking sites. Mass Communication and Society, 24 (2), 187-209. https://doi.org/doi:10.1080/15205436.2020.1805632

Dienlin, T., Johannes, N., Bowman, N. D., Masur, P. K., Engesser, S., Kümpel, A. S., … , Neubaum, G., …, de Vreese, C. (2021). An agenda for open science in Communication. Journal of Communication, 71 (1), 1-26. https://doi.org/10.1093/joc/jqz052

Krämer, N. C., Neubaum, G., Winter, S., Schaewitz, L., Eimler, S. C., & Oliver, M. B. (2021). I feel what they say: The effect of social media comments on viewers’ affective reactions toward elevating online videos. Media Psychology, 24 (3), 332-358 https://doi.org/10.1080/15213269.2019.1692669

Neubaum, G. (2021). “It’s going to be out there for a long time“ The influence of message persistence on users’ political opinion expression via social media technologies. Communication Research. https://doi.org/10.1177/0093650221995314

Neubaum, G., Cargnino, M., Winter, S., & Dvir-Gvirsman, S. (2021). “You’re still worth it” The moral and relational context of politically motivated unfriending decisions in online networks. PLOS ONE. https://doi.org/10.1371/journal.pone.0243049

Neubaum, G., Cargnino, M., & Maleszka, J. (2021). How Facebook users experience political disagreements and make decisions about the political homogenization of their online network. International Journal of Communication, 15, 187-206.

Röchert, D., Shahi, G. K., Neubaum, G., Ross, B., & Stieglitz, S. (2021). The networked context of COVID-19 misinformation. Informational homogeneity on YouTube at the beginning of the pandemic. Online Social Networks and Media. https://doi.org/10.1016/j.osnem.2021.100164

Neubaum, G., Krämer, N. C., & Alt, K. (2020). Psychological effects of repeated exposure to elevating entertainment: An experiment over the period of 6 weeks. Psychology of Popular Media Culture, 9(2), 194–207 doi:10.1037/ppm0000235

Neubaum, G., Sobieraj, S., Raasch, J., & Riese, J. (2020). Digital destigmatization: How exposure to networking profiles can reduce social stereotypes. Computers in Human Behavior, 112. https://doi.org/10.1016/j.chb.2020.106461

Winter, S., Neubaum, G., Ross, B., & Stieglitz, S. (2020). #OpinionLeaders: A comparison of self-reported and actual influence of Twitter users. Information, Communication, & Society. Advance online publication. https://doi.org/10.1080/1369118X.2019.1705374

Röchert, D., Neubaum, G., Ross, B., Brachten, F., & Stieglitz, S. (2020). Opinion-based homogeneity on YouTube: Combining sentiment and social network analysis. Computational Communication Research, 2, 81-108. https://doi.org/10.5117/CCR2020.1.004.ROCH

Röchert, D., Neubaum, G., Stieglitz, S (2020). Identifying Political Sentiments on YouTube: A Systematic Comparison regarding the Accuracy of Recurrent Neural Network and Machine Learning Models. In 2nd Multidisciplinary International Symposium on Disinformation in Open Online Media (MISDOOM2020). https://doi.org/10.1007/978-3-030-61841-4_8.

Meier, Y., & Neubaum, G. (2019). Gratifying ambiguity: Psychological processes leading to enjoyment and appreciation of TV series with morally ambiguous characters. Mass Communication and Society, 5, 631-653. doi:10.1080/15205436.2019.1614195

Ross, B., Pilz, L., Cabrera, B., Brachten, F., Neubaum, G., & Stieglitz, S. (2019). Are social bots a real threat? An agent-based model of the spiral of silence to analyse the impact of manipulative actors in social networks. European Journal of Information Systems, 28(4), 394-412. doi:10.1080/0960085X.2018.1560920

Neubaum, G., & Krämer, N. C. (2018). What do we fear? Expected sanctions for expressing minority opinions in offline and online communication. Communication Research, 45, 139–164. doi:10.1177/0093650215623837

Neubaum, G., Rösner, L., Ganster, T., Hambach, K., & Krämer, N.C. (2018). United in the name of justice: How conformity processes in social media may influence online vigilantism. Psychology of Popular Media Culture, 7, 185–199. doi:10.1037/ppm0000112

Walther, J. B., Neubaum, G., Rösner, L., Winter, S., & Krämer, N. C. (2018). The effect of bilingual congruence on the persuasive influence of videos and comments on YouTube. Journal of Language and Social Psychology, 37, 310-329. doi:10.1177/0261927X17724552

Neubaum, G., & Krämer, N. C. (2017). Opinion climates in social media: Blending mass and interpersonal communication. Human Communication Research, 43, 464–476. doi:10.1111/hcre.12118

Neubaum, G., & Krämer, N. C. (2017). Monitoring the opinion of the crowd: Psychological mechanisms underlying public opinion perceptions on social media. Media Psychology, 20, 502–531. doi:10.1080/15213269.2016.1211539

Krämer, N. C., Neubaum, G., Hirt, M., Knitter, C., Ostendorf, S., & Zeru, S. (2017). “I see you, I know you, it feels good” - Qualitative and quantitative analyses of ambient awareness as a potential mediator of social networking sites usage and well-being. Computers in Human Behavior, 77, 77–85. doi: 10.1016/j.chb.2017.08.024

Krämer, N. C., Eimler, S. C., Neubaum, G., Winter, S., Rösner, L., & Oliver, M. B. (2017). Broadcasting one world – How watching elevating online videos can trigger a sense of universal orientation and a reduction of social stereotypes. New Media & Society, 19, 1349–1368. doi:10.1177/1461444816639963

Winter, S., & Neubaum, G. (2016). Examining characteristics of opinion leaders in social media: A motivational approach. Social Media + Society. Advance online publication. doi:10.1177/2056305116665858

Neubaum, G., & Krämer, N. C. (2015). My friends right next to me: A laboratory investigation on predictors and consequences of experiencing social closeness on social networking sites. Cyberpsychology, Behavior, and Social Networking, 18, 443–449. doi:10.1089/cyber.2014.0613.

Neubaum, G., & Krämer, N. C. (2015). Let's blog about health! Exploring the persuasiveness of a personal HIV blog compared to an institutional HIV website. Health Communication, 30, 872–883. doi:10.1080/10410236.2013.856742

Winter, S., Krämer, N. C., Rösner, L., & Neubaum, G. (2015). Don’t keep it (too) simple – How textual representations of scientific uncertainty affect laypersons’ attitudes. Journal of Language and Social Psychology,  34, 251–272. doi:10.1177/0261927X14555872

Ziebarth, S., Neubaum G., Kyewski E., Krämer N., Hoppe H. U., Hecking T., & Eimler S. (2015). Resource usage in online courses: Analyzing learner’s active and passive participation patterns. In O. Lindwall, P. Häkkinen, T. Koschmann, P. Tchounikine, & S. Ludvigsen (Eds.), Proceedings of the 11th International Conference on Computer Supported Collaborative Learning (CSCL) - Exploring the Material Conditions of Learning (pp. 395–402). Gothenburg, Sweden: International Society of the Learning Sciences (ISLS).

Krämer, N. C., Rösner, L., Eimler, S. C., Winter, S., & Neubaum, G. (2014). Let the weakest link go! Empirical explorations on the relative importance of weak and strong ties on social networking sites. Societies, 4, 785–809. doi:10.3390/soc4040785

Neubaum, G., Wichmann, A., Eimler, S. C., & Krämer, N. C. (2014). Investigating incentives for students to provide peer feedback in a semi-open online course: An experimental study. Proceedings of ACM OpenSym’14, August 27–29, 2014, Berlin, Germany. doi:10.1145/2641580.2641604

Neubaum, G., Rösner, L., Rosenthal-von der Pütten, A. M., & Krämer, N. C. (2014). Psychosocial functions of social media usage in a disaster situation: A multi-methodological approach. Computers in Human Behavior, 34, 28–38. doi:10.1016/j.chb.2014.01.021

Winter, S., Neubaum, G., Eimler, S. C., Gordon, V., Theil, J. Herrmann, J., Meinert, J., & Krämer, N. C. (2014). Another brick in the Facebook wall – How personality traits relate to the content of status updates. Computers in Human Behavior, 34, 194–202. doi:10.1016/j.chb.2014.01.048

Giemza, A., Verheyen, P., Philipp, A., Neubaum, G., & Hoppe, H. U. (2012). Einsatz einer mobilen Quiz-Applikation im Schulunterricht. In J. Desel, J. M. Haake & C. Spannagel (Hrsg.), DeLFI 2012 – Die 10. e-Learning Fachtagung Informatik der Gesellschaft für Informatik e.V. (S. 249–260). Bonn: Köllen Druck+Verlag

 

Buchbeiträge

Neubaum, G. (2021). Polarisierung. In I. Borucki, K. Kleinen-von Königslöw, S. Marschall, T. Zerback (Hrsg.), Handbuch Politische Kommunikation. Springer VS. https://doi.org/10.1007/978-3-658-26242-6_57-1

Neubaum, G., Cargnino, M., & Berthelé, D. (2019).  „Das hält unsere Beziehung schon aus“ - Wie die Beziehungsnähe zum Publikum die politische Meinungsäußerung in sozialen Medien beeinflusst. In P. Weber, F. Mangold, M. Hofer, & T. Koch (Hrsg.), Meinungsbildung in der Netzöffentlichkeit (S. 115-136). Baden-Baden: Nomos.

Krämer, N. C., Eimler, S. C., & Neubaum, G. (2017). Selbstpräsentation und Beziehungsmanagement in sozialen Medien. In J.-H. Schmidt & M. Taddicken (Hrsg.), Handbuch Soziale Medien (S. 41-60). Wiesbaden: Springer.

Krämer, N. C., Neubaum, G., & Eimler, S. C. (2017). A brief history of (social) Cyberspace. In J. Hołyst (Ed.), Cyberemotions: collective emotions in Cyberspace (pp. 11-35). Switzerland: Springer.

Eimler, S. C., Neubaum, G., Mannsfeld, M., & Krämer, N. C. (2016). Altogether now! Mass and small group collaboration in (open) online courses – A case study. In U. Cress, J. Moskaliuk, & H. Jeong (Eds.), Mass collaboration and education (pp. 285–304). Cham, Switzerland: Springer International Publishing.

Ganster, T. & Neubaum, G. (2016). Mass Interpersonal Persuasion. In N. C. Krämer, S. Schwan, D. Unz & M. Suckfüll (Hrsg.), Medienpsychologie. Schlüsselbegriffe und Konzepte. 2. Auflage (S. 384-390). Stuttgart: Kohlhammer.

Neubaum, G. (2016). Die Theorie der Schweigespirale. In N. C. Krämer, S. Schwan, D. Unz & M. Suckfüll (Hrsg.), Medienpsychologie. Schlüsselbegriffe und Konzepte. 2. Auflage (S. 320-327). Stuttgart: Kohlhammer.

Krämer, N. C., Neubaum, G., & Rösner, L. (2013). „Statusupdate: Das Wasser steht nun im ersten Stock“. Das Potenzial von Sozialen Medien in der Krisenkommunikation. In C. Unger, T. Mitschke, Freudenberg, D. (Hrsg.), Krisenmanagement – Notfallplanung – Bevölkerungsschutz. Festschrift anlässlich 60 Jahre Ausbildung im Bevölkerungsschutz (S. 307-325). Berlin: Duncker & Humblot.

 

Weitere Beiträge / Berichte

Cargnino, M., & Neubaum, G. (2019). Homogeneity on social networking sites: Evaluating users’ perceptions. Research Report. Germany: University of Duisburg-Essen.

Neubaum, G., Cargnino, M., Röchert, D., & Maleszka, J. (2018). Gefangen im Netz der Gleichdenkenden? Eine medienpsychologische Analyse von (politischer) Homogenität in sozialen Medien. Psychologie in Österreich, 5, 384-390.

Roßnagel, A., Geminn, C., Hagendorff, T., Heesen, J., Karaboga, M., Krämer, N., Kreutzer, M., Lamla, J., Neubaum, G., Ochs, C., Richter, P., Schöning, C., & Simo Fhom, H. (2017). Fake News. Policy Paper vom Forum Privatheit.

Roßnagel, A., Friedewald, M., Geminn, C., Hagendorff, T., Heesen, J., Hess, T., Kreutzer, M., Neubaum, G., Ochs, C., & Simo Fhom, H. (2017). Datensparsamkeit oder Datenreichtum? Zur neuen politischen Diskussion über den datenschutzrechtlichen Grundsatz der Datensparsamkeit. Policy Paper vom Forum Privatheit.

 

Konferenzbeiträge

2023

Draber, A., Grund, J., Hoffmann, A., Beucker, J., Hufen, L. Scholtyschik, N., & Neubaum, G. (2023, September). Social media as sources of sexual knowledge: A compensatory or complementary form of education? Poster presentation at the 13th Conference of the Media Psychology Division (DGPs), University of Luxembourg, Belval.

Frauhammer, L. T., & Neubaum, G. (2023, September). Effects of subjective climate change knowledge on pro- environmental behavior and information selection. Paper presented at the 13th Conference of the Media Psychology Division (DGPs), University of Luxembourg, Belval.

Neubaum, G. (2023, September). Technology-mediated moral outrage: A theoretical view on intrapersonal, intergroup, and network effects. Paper presented at the 13th Conference of the Media Psychology Division (DGPs), University of Luxembourg, Belval.

Frauhammer, L. T., & Neubaum, G. (2023, May). Investigating the link between attitudinal congruence on social media and political participation: A metacognitive approach. Paper to be presented at the International Communication Association Convention in 2023.

Oeldorf-Hirsch, A., & Neubaum, G. (2023, May). Algorithmic Divide? Predictors and Outcomes of Algorithmic Literacy of German and U.S. Social Media Users. Paper to be presented at the International Communication Association Convention in 2023.

Dreston, J., & Neubaum, G. (2023, Januar). Der Einfluss von medieninduziertem objektivem und subjektivem politischem Wissen auf die Wahrscheinlichkeit zu wählen: Eine Querschnittsstudie im Vorfeld der NRW-Wahl. Paper presented at the Annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Augsburg.

Frauhammer, L., & Neubaum, G. (2023, Januar). Einstellungskongruenz auf sozialen Medien und ihre Wirkung auf subjektives Wissen und politische Partizipation: Ein metakognitiver Ansatz. Paper presented at the Annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Augsburg.

2022

Weeks, B., Halversen, A., & Neubaum, G. (2022, October). Too scared to share? Examining fear of social sanctions and political opinion expression online. Paper presented at the ECREA 2022, 9th European Communication, Conference. Aarhus, Denmark.

Neubaum, G., Cargnino, M., Röchert, D., & Frauhammer, L. (2022, September). A model of political homogeneity in online networks: Integrating original and new hypotheses. Paper presented at the conference “Quo vadis Digital Democracy? Strengthening and Preserving Democracy in the Digital Age” of the Digital Society Program NRW.

Neubaum, G. (2022, May). If Noelle-Neumann had known – Mapping current conditions of public communication with original propositions of the spiral of silence theory. Paper presented at the pre-conference "New Directions in Spiral of Silence Research" of the 72nd Conference of the International Communication Association, Paris, France.

Neubaum, G., Metzger, M., Krämer, N., & Kyewski, E. (2022, May). How subjective norms shape personal privacy regulation in social media: A cross-national approach. Paper presented at the 72nd Conference of the International Communication Association, Paris, France.

Röchert, D., Shahi, G. K., Neubaum, G., & Stieglitz, S. (2022, May). Political polarization in times of crisis: Ideological bias of news coverage of the COVID-19 pandemic on YouTube. Paper presented at the 72nd Conference of the International Communication Association, Paris, France.

2021

Neubaum, G. & Lane, D. (2021, September). I stand by what I said! Investigating political self-effects in persistent social media. Poster presented at the 12th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Aachen, Germany.

Neubaum, G., & Rothmund, T. (2021, July). Causes and Consequences of Exposure to Belief-Consistent and Belief-Inconsistent Political Information in Online Communication. Panel at the annual convention of the International Society of Political Psychology.

Cargnino, M. & Neubaum, G. (2021, May). A Question of Dose? Effects of the Political Congruence of Social Media Opinion Climates on Selective Exposure, Attitudinal Polarization and Political Tolerance. Paper presented at the 71st Conference of the International Communication Association.

Cargnino, M., Neubaum, G., Röchert, D., Heinbach, D. & Ziegele, M. (2021, February). The Impact of Social Media Opinion Climates on Users’ Perceptions of Political Opinion Distribution and Deliberative Outcomes: A Linkage Study. Paper presented at the conference "24 hours of Political Psychology. Scientific Online Meeting of the German Political Psychology Network".

Röchert, D., Cargnino, M., & Neubaum, G. (2021, May). When the Leader Takes it All: An Agent-Based Model on the Effects of Ambivalent Opinion Leaders. Paper presented at the 71st Conference of the International Communication Association.

2020

Cargnino, M. & Neubaum, G. (2020, January). Soziale Identifikation als Prädiktor politischer Selektivität auf Facebook. Annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Würzburg, Germany, 23rd – 25th January 2020.

Cargnino, M. & Neubaum, G. (2020, January). Political social identity and selectivity toward the like-minded on Facebook. 1st German Political Psychology Meeting, Hagen, Germany, 17th – 18th January 2020.

Neubaum, G., Cargnino, M., Winter, S., & Dvir-Gvirsman, S. (2020, May). You’re still worth it! The moral and relational context of politically motivated unfriending decisions in online networks. 70th Conference of the International Communication Association.

Röchert, D., Neubaum, G., Ross, B., & Stieglitz, S. (2020, May). Caught in a Networked Complot? Analyzing Homogeneity in Conspiracy-Related Discussion Networks on YouTube. 70th Conference of the International Communication Association.

2019

Cargnino, M., Neubaum, G., Winter, S., & Dvir-Gvirsman, S. (2019, September). Die Agora, die zu mir passt: Über das Entfernen von Kontakten in Digitalen Netzwerken aufgrund Moralischer Dissonanzen. Conference of the Digital Society Research Program: Datafizierte Gesellschaft: Praktiken, Prozesse und Folgen der Datafizierung – Eine Interdisziplinäre Tagung, Bonn, Germany, 24th – 25th September 2019.

Cargnino, M., Neubaum, G., Winter, S., Dvir-Gvirsman, S. (2019, September). You’re still worth it! Relational Closeness and Perceived Emotional Support Reduce Unfriending Intentions in the Face of Moral Trespasses. Annual Conference of the Media Psychology Section of the German Society for Psychology, Chemnitz, 4th - 6th September 2019.

Cargnino, M., Neubaum, G., & Winter, S. (2019, May). Opinion Congruence as a Motive of Friending in Social Networking Sites. Paper presented at the 69th Conference of the International Communication Association, Washington, D.C., 24 – 28 May 2019.

Cargnino, M., Neubaum, G., & Winter, S. (2019, March). Straight Into the Echo Chamber? How Others’ Political Stance Influences Tie Formation in Social Media. Paper presented at the  21st General Online Research Conference in Cologne, 6 – 8 March 2019.

Cargnino, M., Neubaum, G., & Winter, S. (2019, January). Wir passen einfach nicht zusammen: Meinungskongruenz als Auswahlkriterium für Kontakte auf sozialen Netzwerkseiten. Paper to be presented at the Annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Mainz, 31 January – 2 February 2019.

Neubaum, G. (2019, May). „It’s Going to be Out There For a Long Time“: The Influence of Message Persistence on Users’ Political Opinion Expression via Social Media Technologies. Paper presented at the 69th Conference of the International Communication Association, Washington, D.C., 24 – 28 May 2019.

Neubaum, G., Sobieraj, S., Raasch, J., & Riese, J. (2019, May). Digital Destigmatization: How Exposure to Networking Profiles Can Reduce Social Stereotypes. Paper presented at the 69th Conference of the International Communication Association, Washington, D.C., 24 – 28 May 2019.

Röchert, D., Neubaum, G., Ross, B., Brachten, F., & Stieglitz, S. (2019, May). Can You Hear the Echo? Combining Sentiment and Social Network Analyses to Measure Opinion-Based Homogeneity in Social Media. Paper presented at the 69th Conference of the International Communication Association, Washington, D.C., 24 – 28 May 2019.

Röchert, D., & Neubaum, G. (2019, February). The networked collusion - Examining the virality of conspiracy theories on YouTube. Paper presented at MISDOOM conference.

2018

Dvir-Gvirsman, S., Winter, S., & Neubaum, G. (2018, May). The public in our minds – Comparing the importance of in-group opinion climates in the US, Israel and Germany. Paper presented at the annual meeting of ICA 2018 (International Communication Association), Prague, Czech Republic.

Meier, Y., & Neubaum, G. (2018, May). Gratifying ambiguity: Investigating predictors of enjoyment and appreciation of TV series featuring morally ambiguous characters. Paper presented at the annual meeting of ICA 2018 (International Communication Association), Prague, Czech Republic.

Neubaum, G., Winter, S., & Dvir-Gvirsman, S. (2018, May). You’re a bad person! When moral violations lead to unfriending behavior on social media. Paper presented at the annual meeting of ICA 2018 (International Communication Association), Prague, Czech Republic.

Neubaum, G., & Berthelé, D. (2018, Januar). „Das hält unsere Beziehung schon aus“: Wie die Beziehungsnähe zum Publikum die politische Meinungsäußerung in sozialen Medien beeinflusst. Paper presented at the annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Hohenheim, Germany.

2017

Neubaum, G., Krämer, N. C., & Alt, K. (2017, September). Psychological effects of repeated exposure to elevating entertainment: An experiment over the period of six weeks. Paper to be presented at the 10th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Landau, Germany.

Hoss, T., Neubaum, G., & Krämer, N. C. (2017, September). “They are observing us anyway” - Exploring the correlates of social media users’ knowledge on vertical privacy. Paper to be presented at the 10th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Landau, Germany.

Krämer, N. C., Neubaum, G., Gabriel, M., Geerdes, K., Heimbach, S., Oertgen, V., & Radwon, L., (2017, September). Can Facebook heal social exclusion? The influence of Facebook usage on the experience of stress and well-being after an ostracizing event. Paper to be presented at the 10th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Landau, Germany.

Krämer, N. C., Winter, S., Neubaum, G., Rösner, L., Eimler, S. C., & Oliver, M. B. (2017, May). I feel what they say: The effect of social media comments on viewers’ affective reactions toward elevating online videos. Paper presented at the annual meeting of ICA 2017 (International Communication Association), San Diego, CA, USA.

Neubaum, G. (2017, May). Different audiences, different behaviors? How relational closeness to the audience influences Facebook users’ opinion expression. Paper presented at the annual meeting of ICA 2017 (International Communication Association), San Diego, CA, USA.

Neubaum, G., & Krämer, N.C. (2017, May). Socially mediated opinions: Monitoring and expressing opinions in the intersection of mass and interpersonal communication on social media. Paper presented at the annual meeting of ICA 2017 (International Communication Association), San Diego, CA, USA.

Neubaum, G., Krämer, N. C., & Alt, K. (2017, May). Psychological effects of repeated exposure to elevating entertainment: An experiment over six weeks. Paper presented at the annual meeting of ICA 2017 (International Communication Association), San Diego, CA, USA.

Winter, S., Neubaum, G., Ross, B., & Stieglitz, S. (2017, May). #OpinionLeaders: A comparison of self-reported and actual influence of Twitter users. Paper presented at the annual meeting of ICA 2017 (International Communication Association), San Diego, CA, USA.

Winter, S., Neubaum, G., Stieglitz, S., & Ross, B. (2017, März). #Meinungsführer: Ein Vergleich von Selbstwahrnehmungen und Netzwerkdaten zum Einfluss von Social-Media-Nutzern in politischen Debatten. Paper presented at the annual meeting of the German Communication Association (DGPuK), Düsseldorf, Germany

Neubaum, G., Winter, S., Krämer, N. C., Rösner, L., Eimler, S. C., & Oliver, M. B. (2017, Januar). Das Gemeinschaftserlebnis „Elevation“: Der Einfluss von Nutzerkommentaren auf das emotionale Erleben während der Rezeption von YouTube-Videos. Paper presented at the annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Erfurt, Germany.

2016

Walther, J. B., Neubaum, G., Rösner, L., Winter, S., & Krämer, N. C. (2016, June). The persuasive effect of language congruence between video and comments on YouTube. Paper presented at the 15th International Conference on Language and Social Psychology. Bangkok, Thailand.

Neubaum, G. (2016, June). Monitoring the opinion of the crowd: Media and social psychological mechanisms underlying public opinion perceptions on social media. Paper presented at the annual meeting of ICA 2016 (International Communication Association), Fukuoka, Japan.

Neubaum, G., & Camur, F. (2016, June). Reading the other side: How user-generated comments influence perceptions of public opinion. Paper presented at the annual meeting of ICA 2016 (International Communication Association), Fukuoka, Japan.

Neubaum, G., & Ho, S. S. (2016, June). For all eyes to see: A cross-cultural comparison of the effect of publicness on opinion expression in social media. Paper presented at the annual meeting of ICA 2016 (International Communication Association), Fukuoka, Japan.

Neubaum, G., Ho, S. S., & Krämer, N. C. (2016, January). Der Öffentlichkeitseffekt: Wie der Grad der Öffentlichkeit auf sozialen Medien die Redebereitschaft beeinflusst [The publicness effect: How the level of publicness in social media influence the willingness to speak out]. Paper presented at the annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Amsterdam, Netherlands.

2015

Krämer, N. C, Eimler, S. C., Rösner, L., Winter, S., Neubaum, G., & Oliver, M. B. (2015, September). Broadcasting one world – How watching elevating online videos can strengthen universal orientation and reduce stereotypes. Paper to be presented at the 9th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Tübingen, Germany.

Neubaum, G., & Krämer, N. C. (2015, September). Monitoring the opinion of the crowd – Psychological patterns of public opinion perceptions in social media. Paper to be presented at the 9th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Tübingen, Germany.

Neubaum, G., (2015, July). How different audiences in social media affect people’s outspokenness on controversial issues. Poster presented at the international summer school "Living with Media" at the University of Cologne, Germany.

Krämer, N. C., Eimler, S. C., Neubaum, G., Rösner, L., Winter, S., & Oliver, M. B. (2015, May). Broadcasting one world – How watching elevating online videos can trigger a sense of universal orientation and a reduction of social stereotypes. Paper to be presented at the annual meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico.

Neubaum, G. (2015, May). What do we fear of? Expected sanctions for expressing minority opinions in offline and online communication.  Paper to be presented at the annual meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico (awarded as Top Student Paper in the Communication and Technology Division).

Neubaum, G., & Krämer, N. C. (2015, May). A laboratory investigation on predictors and consequences of experiencing social closeness during the usage of social networking sites. Paper to be presented at the annual meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico.

Rösner, L., & Neubaum, G. (2015, May). Mean World 2.0 – Does online media use cultivate beliefs about the world? Paper to be presented at the annual meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico.

Winter, S., & Neubaum, G. (2015, January). Meine Facebook-Freunde, ihre Meinung und ich – Interpersonale Persuasionsprozesse auf sozialen Netzwerkseiten. Workshop auf der Jahrestagung der Ad-Hoc-Gruppe „Rezeptions- und Wirkungsforschung“ der Deutschen Gesellschaft für Publizistik- und Kommunikationswissenschaft, Bamberg, Deutschland.

2014

Neubaum, G. (2014, May). Media violence from parents’ perspective: Exploring the determinants of attitudes toward media effects and their role in online science communication. Paper presented at the annual meeting of ICA 2014 (International Communication Association), Seattle, WA, USA.

Neubaum, G., Rösner, L., Ganster, T., & Hambach, K. (2014, May). United in the name of justice: How conformity processes in the social web influence online vigilantism. Paper presented at the annual meeting of ICA 2014 (International Communication Association), Seattle, WA, USA.

Winter, S., & Neubaum, G. (2014, May). Two-step flow on Facebook: Opinion leadership in social networking sites. Paper presented at the annual meeting of ICA 2014 (International Communication Association), Seattle, WA, USA.

Winter, S., Neubaum, G., Eimler, S. C., Meinert, J., Herrmann, J., Theil, J., & Gordon, V. (2014, May). Another brick in the Facebook wall – How personality traits relate to the content of status updates. Paper presented at the annual meeting of ICA 2014 (International Communication Association), Seattle, WA, USA.

Winter, S., Krämer, N. C., Neubaum, G., & Rösner, L. (2014, May). When science bloggers persuade the audience - Effect of message sidedness, author expertise, and reader characteristics on attitudes toward scientific topics. Paper presented at the 13th International Public Communication of Science and Technology Conference, Salvador, Brazil.

Neubaum, G., & Winter, S. (2014, March). Exploring the Facebook two-step flow: A survey on opinion leadership in social networking sites. Paper presented at the General Online Research (GOR) Conference, Cologne, Germany.

Winter, S., Krämer, N. C., Neubaum, G., & Rösner, L. (2014, Februar). Making Sense of Science Blogs: Effekte von ein- und zweiseitigen Online-Artikeln und Quellenangaben auf die Einstellungsbildung zu Wissenschaftsthemen. Vortrag bei der Jahrestagung der Ad-Hoc-Gruppe „Wissenschaftskommunikation“ der Deutschen Gesellschaft für Publizistik und Kommunikationswissenschaft. Zürich, Schweiz.

2013

Rösner, L., Krämer, N. C., Neubaum, G., & Rosenthal-von der Pütten, A. M. (2013, October). Psychosocial functions of social media usage in a disaster situation: A multi-methodological approach. Paper presented at 3rd International Conference on Crisis Communication in the 21st Century, Erfurt, Germany.

Winter, S., Krämer, N. C., Neubaum, G., Rösner, L., Straßmann, C. & Sauer, V. J. (2013, September). How persuasive are science blogs? Effects of message sidedness, source expertise, and reader characteristics on attitude formation toward scientific debates. Paper presented at the 8th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Würzburg, Germany.

Neubaum, G. & Krämer, N. C. (2013, September). Immersing into the Facebook world: A two-level reception model of users’ exposure to social networking sites. Paper presented at the 8th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Würzburg, Germany.

Neubaum, G. (2013, June). The social network experience – A two-level reception model of users’ exposure to social networking sites. Paper presented at the annual meeting of ICA 2013 (International Communication Association), London, United Kingdom.

Rösner, L., Kulms, P., Neubaum, G. & Wegmann, E. (2013, June). Entertaining videos go viral: How hedonic and eudaimonic aspects of entertainment affect sharing of online videos. Paper presented at the annual meeting of ICA 2013 (International Communication Association), London, United Kingdom.

Winter, S., Krämer, N. C., Rösner, L. & Neubaum, G. (2013, June). Don’t keep it (too) simple – How representations of scientific uncertainty in online articles affect laypersons’ attitudes. Paper presented at the annual meeting of ICA 2013 (International Communication Association), London, United Kingdom.

2012

Kulms, P., Neubaum, G., Rösner, L., Wegmann, E. & Krämer, N. C. (2012, September). Wie wird ein YouTube-Video erfolgreich? Eine medienpsychologische Untersuchung personaler und medialer Determinanten der Weiterleitung von YouTube-Videos. Forschungsreferat zum 48. Kongress der Deutschen Gesellschaft für Psychologie, Bielefeld.

Neubaum, G., Rösner, L. von der Pütten, A. M., Krämer, N. C., Presting, P. & Muraa, G. (2012, September). Krise 2.0: Welche Rolle übernahm das Social Web im Zuge der Massenpanik bei der Loveparade 2010? Forschungsreferat zum 48. Kongress der Deutschen Gesellschaft für Psychologie, Bielefeld.

Neubaum, G. (2012, May). Let's blog about health! Exploring the persuasiveness of HIV Blogs compared to informational HIV websites. Paper presented at the annual meeting of ICA 2012 (International Communication Association), Phoenix, AZ, USA.

Neubaum, G., Rösner, L., Presting, P., Muraa, G., von der Pütten, A.M., & Krämer, N.C. (2012, May). The role of social media usage related to the stampede at the Love Parade 2010. Paper presented at the annual meeting of ICA 2012 (International Communication Association), Phoenix, AZ, USA.

Winter, S., Krämer, N.C., Neubaum, G., Rösner, L. & Appel, J. (2012, May). Selecting science information in Web 2.0: Effects of personality characteristics, source cues, and message complexity. Paper presented at the annual meeting of ICA 2012 (International Communication Association), Phoenix, AZ, USA.

2011

Neubaum, G., Krämer, N.C. & Fromm, B. (2011, August). Persuasion 2.0: Does the human touch frame of private HIV weblogs persuade recipients to show a preventive health behavior?  Paper presented at the 7th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Bremen, Germany.

Neubaum, G., Krämer, N.C. & Fromm, B. (2011, March). Hum@n touch = healing touch? Psychological effects of private HIV Blogs on recipients’ health cognitions. Paper presented at the General Online Research (GOR) Conference, Düsseldorf, Germany.

Winter, S., Krämer, N.C., Neubaum, G., & Appel, J. (2011, August). Lost in the Web? – The effect of information complexity and cognitive abilities on the selection of online science articles. Paper presented at the 7th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Bremen, Germany.

Winter, S., Krämer, N.C., Appel, J., Schielke, K. & Neubaum, G. (2011, May). The influence of information complexity on the selection of online science articles. Paper presented at the annual meeting of ICA 2011 (International Communication Association), Boston, USA.

Winter, S., Krämer, N.C., Appel, J. & Neubaum, G. (2011, March). Both sides of the story? – How information complexity influences the selection of online science articles. Paper presented at the General Online Research (GOR) Conference, Düsseldorf, Germany.

Eingeladene Vorträge

Neubaum, G. (2021, December). Are we our own filtering algorithms? Examining opinion homogeneity in social media. Presentation at the workshop „(Not) Hearing the Other Side: The Implications of Political Disagreement and Avoidance for Contemporary Democratic Citizenship“ organized by City University of Hong Kong.

Neubaum, G. (2021, März). Psychologische Einblicke in politische Meinungsbildungsprozesse im sozialen Netz. Talkreihe „Wahl digital!?“ Landeszentrale für politische Bildung Rheinland-Pfalz

Neubaum, G. (2020, Mai). Das Online-Netzwerk als Spiegelbild? Psychologische Einblicke in Prozesse der politischen Meinungsbildung in sozialen Medien. Vortrag bei der Veranstaltungsreihe „Gesellschaftspolitische Teilhabe in einer digitalen Welt“ (Center for Advanced Internet Studies, Ministerium für Kultur und Wissenschaft des Landes Nordrhein-Westfalen).

Neubaum, G. (2019, December). Creating our own filters? The genesis of (politically) homogenous communication spaces in digital networks. Presentation at the Department of Society, Technology, and Human Factors, RWTH Aachen University.

Neubaum, G. (2018, December). Me and my network – we agree! The formation of self-reinforcing networks through a media psychological lens. Presentation at the Faculté des Lettres, des Sciences Humaines, des Arts et des Sciences de l'Education, Université du Luxembourg.

Neubaum, G. (2018, November). Digitale Agora oder Filterblase? Eine medienpsychologische Charakterisierung von politischer Partizipation mittels sozialer Technologien. Vortrag beim Forschungskolloquium des Fachbereichs Psychologie an der Universität Koblenz-Landau.

Neubaum, G. (2018, September). Surrounded by like-mindedness? A psychological view on opinion homogeneity in online social networks. Presentation at the Department of Communication Studies, University of Michigan.

Neubaum, G. (2018, September). I like you, but I don't like your views: The consequences of political expressions on interpersonal relationships in social media. Presentation at the School of Information, University of Michigan.

Neubaum, G. (2018, April). Meinung zum Download?! Chancen und Risiken von sozialen Medien für politische Debatten. Vortrag beim Rotary Club Duisburg.

Neubaum, G. (2018, April). The echo in my online chamber: The formation of opinion homogeneity in online networks. Vortrag am Leibniz Institut für Wissensmedien Tübingen.

Neubaum, G. (2017, Dezember). Ich like deine Meinung zwar, aber ich teile sie nicht - oder doch? Ein medienpsychologischer Blick auf meinungsbasierte Homogenität in Online-Netzwerken. Vortrag am Institut für Journalistik und Kommunikationsforschung, Hochschule für Musik, Theater und Medien Hannover.

Neubaum, G. (2017, September). Im Netz der schweigenden Mehrheit? Potenziale und Gefahren der Online-Kommunikation für demokratische Systeme. Vortrag beim Rotary Club Gelsenkirchen.

Neubaum, G. (2014, Mai). „I like because you like!“ Ein sozialpsychologischer Blick auf kollektive Phänomene im Web 2.0. Vortrag im Rahmen des Workshops „Internet und Demokratie“ innerhalb des Programms „Europa gestalten - Politische Bildung in Aktion“, ausgerichtet von  Arbeit und Leben NRW.

Neubaum, G. (2013, Dezember). „Jeder weiß doch, dass sie uns beobachten!“ Die Sicht der User auf Privatsphäre im Web 2.0. Institut für Kommunikationswissenschaft, Westfälische Wilhelms-Universität Münster.

Neubaum, G. (2013, September). Nutzung sozialer Netzwerke im Öffentlichen Dienst. Lehrvortrag im Rahmen des Seminars „Neue Medien in der Krisenkommunikation" an der Akademie für Krisenmanagement, Notfallplanung und Zivilschutz; Bundesamt für Bevölkerungsschutz und Katastrophenhilfe.