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Lotharstr
47048 Duisburg
47048 Duisburg
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LF 254
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Juniorprofessor/in, Psychologische Prozesse der Bildung in sozialen Medien
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2022 SS
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2021 WS
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2020 WS
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2019 WS
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2018 WS
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2016 WS
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2016 SS
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2015 WS
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2015 SS
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2014 SS
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2013 WS
Die folgenden Publikationen sind in der Online-Universitätsbibliographie der Universität Duisburg-Essen verzeichnet. Weitere Informationen finden Sie gegebenenfalls auch auf den persönlichen Webseiten der Person.
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Caught in a networked collusion? : Homogeneity in conspiracy-related discussion networks on YouTubeIn: Information Systems Jg. 103 (2022)
ISSN: 0306-4379; 1873-6076Online Volltext: dx.doi.org/ -
Computer-mediated political expression : A conceptual framework of technological affordances and individual tradeoffsIn: Journal of Information Technology and Politics (JITP) (2022) in press
ISSN: 1933-1681; 1933-169XOnline Volltext: dx.doi.org/; Online Volltext: dx.doi.org/ (Open Access) -
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 informationIn: New Media and Society (2022) in press
ISSN: 1461-7315; 1461-4448Online Volltext: dx.doi.org/ (Open Access) -
Two sides of the same leader : an agent-based model to analyze the effect of ambivalent opinion leaders in social networksIn: Journal of Computational Social Science (2022) in press
ISSN: 2432-2717; 2432-2725Online Volltext: dx.doi.org/ (Open Access) -
“It’s Going to be Out There For a Long Time” : The Influence of Message Persistence on Users’ Political Opinion Expression in Social MediaIn: Communication Research Jg. 49 (2022) Nr. 3, S. 426 - 450
ISSN: 1552-3810; 0093-6502Online Volltext: dx.doi.org/ (Open Access) -
#Opinionleaders : A comparison of self-reported and observable influence of Twitter usersIn: Information Communication & Society Jg. 24 (2021) Nr. 11, S. 1533 - 1550
ISSN: 1468-4462; 1369-118XOnline Volltext: dx.doi.org/ -
An Agenda for Open Science in CommunicationIn: Journal of Communication Jg. 71 (2021) Nr. 1, S. 1 - 26
ISSN: 0021-9916; 1460-2466Online Volltext: dx.doi.org/ (Open Access) -
Are We Deliberately Captivated in Homogeneous Cocoons? : An Investigation on Political Tie Building on FacebookIn: Mass Communication and Society Jg. 24 (2021) Nr. 2, S. 187 - 209
ISSN: 1532-7825; 1520-5436Online Volltext: dx.doi.org/ -
How Facebook Users Experience Political Disagreements and Make Decisions About the Political Homogenization of Their Online NetworkIn: International Journal of Communication (IJOC) Jg. 15 (2021) S. 187 - 206
ISSN: 1932-8036(Open Access) -
I feel what they say : the effect of social media comments on viewers’ affective reactions toward elevating online videosIn: Media Psychology Jg. 24 (2021) Nr. 3,
ISSN: 1521-3269; 1532-785XOnline Volltext: dx.doi.org/ -
The Networked Context of COVID-19 Misinformation : Informational Homogeneity on YouTube at the Beginning of the PandemicIn: Online Social Networks and Media Jg. 26 (2021)
ISSN: 2468-6964Online Volltext: dx.doi.org/ (Open Access) -
“You’re still worth it” : The moral and relational context of politically motivated unfriending decisions in online networksIn: PLoS ONE Jg. 16 (2021) Nr. 1, S. e0243049
ISSN: 1932-6203Online Volltext: dx.doi.org/ Online Volltext (Open Access) -
Digital destigmatization : How exposure to networking profiles can reduce social stereotypesIn: Computers in Human Behavior Jg. 112 (2020) S. 106461
ISSN: 0747-5632; 1873-7692Online Volltext: dx.doi.org/ -
Opinion-based Homogeneity on YouTube : Combining Sentiment and Social Network AnalysisIn: Computational Communication Research Jg. 2 (2020) Nr. 1, S. 81 - 108
ISSN: 2665-9085Online Volltext: dx.doi.org/ (Open Access) -
Psychological effects of repeated exposure to elevating entertainment : An experiment over the period of 6 weeksIn: Psychology of Popular Media Jg. 9 (2020) Nr. 2, S. 194 - 207
ISSN: 2689-6575; 2689-6567Online Volltext: dx.doi.org/ -
Are social bots a real threat? : An agent-based model of the spiral of silence to analyse the impact of manipulative actors in social networksIn: European Journal of Information Systems Jg. 28 (2019) Nr. 4, S. 394 - 412
ISSN: 1476-9344; 0960-085XOnline Volltext: dx.doi.org/ (Open Access) -
Gratifying Ambiguity : Psychological Processes Leading to Enjoyment and Appreciation of TV Series with Morally Ambiguous CharactersIn: Mass Communication and Society Jg. 22 (2019) Nr. 5, S. 631 - 653
ISSN: 1532-7825; 1520-5436Online Volltext: dx.doi.org/ -
The Effect of Bilingual Congruence on the Persuasive Influence of Videos and Comments on YouTubeIn: Journal of Language and Social Psychology Jg. 37 (2018) Nr. 3, S. 310 - 329
ISSN: 1552-6526; 0261-927XOnline Volltext: dx.doi.org/ -
United in the Name of Justice : How Conformity Processes in Social Media May Influence Online VigilantismIn: Psychology of Popular Media Culture Jg. 7 (2018) Nr. 2, S. 185 - 199
ISSN: 2160-4142; 2160-4134Online Volltext: dx.doi.org/ -
What Do We Fear? : Expected Sanctions for Expressing Minority Opinions in Offline and Online CommunicationIn: Communication Research Jg. 45 (2018) Nr. 2, S. 139 - 164
ISSN: 1552-3810; 0093-6502Online Volltext: dx.doi.org/ -
Broadcasting one world : How watching online videos can elicit elevation and reduce stereotypesIn: New media and society Jg. 19 (2017) Nr. 9, S. 1349 - 1368
ISSN: 1461-7315; 1461-4448Online Volltext: dx.doi.org/ -
Monitoring the Opinion of the Crowd : Psychological Mechanisms Underlying Public Opinion Perceptions on Social MediaIn: Media Psychology Jg. 20 (2017) Nr. 3, S. 502 - 531
ISSN: 1532-785X; 1521-3269Online Volltext: dx.doi.org/ -
Opinion Climates in Social Media : Blending Mass and Interpersonal CommunicationIn: Human Communication Research Jg. 43 (2017) Nr. 4, S. 464 - 476
ISSN: 1468-2958; 0360-3989Online Volltext: dx.doi.org/ -
“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-beingIn: Computers in Human Behavior Jg. 77 (2017) S. 77 - 85
ISSN: 0747-5632; 1873-7692Online Volltext: dx.doi.org/ -
Examining Characteristics of Opinion Leaders in Social Media : A Motivational ApproachIn: Social Media + Society Jg. 2 (2016) Nr. 3, S. 1 - 12
ISSN: 2056-3051Online Volltext: dx.doi.org/ -
Don’t keep it (too) simple : How textual representations of scientific uncertainty affect laypersons’ attitudesIn: Journal of Language and Social Psychology Jg. 34 (2015) Nr. 3, S. 251 - 272
ISSN: 0261-927XOnline Volltext: dx.doi.org/ -
Let's Blog About Health! : Exploring the Persuasiveness of a Personal HIV Blog Compared to an Institutional HIV WebsiteIn: Health Communication Jg. 30 (2015) Nr. 9, S. 872 - 883
ISSN: 1532-7027; 1041-0236Online Volltext: dx.doi.org/ -
My friends right next to me : a iaboratory investigation on predictors and consequences of experiencing social closeness on social networking sitesIn: Cyberpsychology, behavior, and social networking Jg. 18 (2015) Nr. 8, S. 443 - 449
ISSN: 2152-2723; 2152-2715Online Volltext: dx.doi.org/ -
Another brick in the Facebook wall : How personality traits relate to the content of status updatesIn: Computers in Human Behavior Jg. 34 (2014) Nr. May, S. 194 - 202
ISSN: 0747-5632; 1873-7692 -
Let the Weakest Link Go! : Empirical Explorations on the Relative Importance of Weak and Strong Ties on Social Networking SitesIn: Societies : open access journal Jg. 4 (2014) Nr. 4, S. 785 - 809
ISSN: 2075-4698Online Volltext: dx.doi.org/ (Open Access) -
Psychosocial functions of social media usage in a disaster situation : A multi-methodological approachIn: Computers in Human Behavior Jg. 34 (2014) S. 28 - 38
ISSN: 0747-5632; 1873-7692Online Volltext: dx.doi.org/ -
Editorial: Journal of media psychology grows and developsIn: Journal of Media Psychology Jg. 29 (2017) Nr. 4, S. 175
ISSN: 1864-1105; 2151-2388Online Volltext: dx.doi.org/ -
Identifying Political Sentiments on YouTube : A Systematic Comparison Regarding the Accuracy of Recurrent Neural Network and Machine Learning ModelsIn: Disinformation in Open Online Media: Second Multidisciplinary International Symposium; Proccedings / MISDOOM 2020; Leiden, The Netherlands; October 26–27, 2020 / van Duijn, Max; Preuss, Mike; Spaiser, Viktoria; Takes, Frank; Verberne, Suzan (Hrsg.) 2020, S. 107 - 121
ISBN: 978-3-030-61840-7; 978-3-030-61841-4Online Volltext: dx.doi.org/ (Open Access) -
A brief history of (social) CyberspaceIn: Cyberemotions: Collective Emotions in Cyberspace / Holyst, Janusz (Hrsg.) 2017, S. 11 - 35
ISBN: 978-3-319-43639-5; 978-3-319-43637-1Online Volltext: dx.doi.org/ -
Altogether Now! Mass and Small Group Collaboration in (Open) Online Courses : A Case StudyIn: Mass collaboration and education / Cress, Ulrike (Hrsg.) 2016, S. 285 - 304
ISBN: 978-3-319-13535-9; 978-3-319-13536-6Online Volltext: dx.doi.org/ -
Die Theorie der SchweigespiraleIn: Medienpsychologie: Schlüsselbegriffe und Konzepte / Schwan, Stephan; Unz, Dagmar; Suckfüll, Monika (Hrsg.) 2016, S. 320 - 326
ISBN: 978-3-17-026137-2 -
Mass Interpersonal PersuasionIn: Medienpsychologie: Schlüsselbegriffe und Konzepte / Schwan, Stephan; Suckfüll, Monika; Unz, Dagmar (Hrsg.) 2016, S. 384 - 390
ISBN: 978-3-17-026137-2 -
Selbstpräsentation und Beziehungsmanagement in sozialen MedienIn: Handbuch Soziale Medien / Schmidt, Jan-Hinrik; Taddicken, Monika (Hrsg.) 2016, S. 1 - 20
ISBN: 978-3-658-03895-3Online Volltext: dx.doi.org/ -
Investigating Incentives for Students to Provide Peer Feedback in a Semi-Open Online Course : An Experimental StudyIn: Proceedings of The International Symposium on Open Collaboration / OpenSym '14 The International Symposium on Open Collaboration Berlin, Germany — August 27 - 29, 2014 / Riehle, Dirk (Hrsg.) 2014, S. 1 - 7
ISBN: 978-1-4503-3016-9Online Volltext: dx.doi.org/ -
Statusupdate : Das Wasser steht nun im ersten StockIn: Krisenmanagement - Notfallplanung - Bevölkerungsschutz: Festschrift anlässlich 60 Jahre Ausbildung im Bevölkerungsschutz, dargebracht von Partnern, Freunden und Mitarbeitern des Bundesamtes für Bevölkerungsschutz und Katastrophenhilfe / Unger, Christoph (Hrsg.) 2013, S. 307 - 325
ISBN: 978-3-428-14077-0 -
Einsatz einer mobilen Quiz-Applikation im SchulunterrichtIn: DeLFI 2012: die 10. e-Learning Fachtagung Informatik der Gesellschaft für Informatik e.V. : 24. - 26. September 2012 FernUniversität Hagen / DeLFI 2012, 10. e-Learning Fachtagung Informatik der Gesellschaft für Informatik e.V. , 24.-26.09.2012, Hagen / Desel, Jörg; Haake, Jörg M.; Spannagel, Christian (Hrsg.) 2012, S. 249 - 260
ISBN: 978-3-88579-601-5 ISSN: 1617-5468 -
Monitoring and Expressing Opinions on Social Networking Sites : Empirical Investigations based on the Spiral of Silence TheoryDuisburg, Essen (2016) 303 Seiten
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#OpinionLeaders : A Comparison of Self-Reported and Actual Influence of Twitter Users
67th Annual ICA Conference "Interventions: Communication research an practice", 25.-29. May 2017, San Diego, USA,San Diego (2017)
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#Meinungsführer : ein Vergleich von Selbstwahrnehmungen und Netzwerkdaten zum Einfluss von Social-Media-Nutzern in politischen Debatten
62. Jahrestagung der Deutschen Gesellschaft für Publizistik- und Kommunikationswissenschaft - DGPuK 2017 - „Vernetzung. Stabilität und Wandel gesellschaftlicher Kommunikation“, 30.3.-01.04.2017, Düsseldorf, Germany,Düsseldorf (2017)
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For all eyes to see : A cross-cultural comparison of the effect of publicness on opinion expression in social media
The Annual Meeting of ICA 2016 (International Communication Association), Fukuoka, Japan,(2016)
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Monitoring the opinion of the crowd : Media and social psychological mechanisms underlying public opinion perceptions on social media
The Annual Meeting of ICA 2016 (International Communication Association), Fukuoka, Japan,(2016)
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Reading the other side : How user-generated comments influence perceptions of public opinion(2016)
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The persuasive effect of language congruence between video and comments on YouTube
15th International Conference on Language and Social Psychology. Bangkok, Thailand, 22 – 25 June 2016,(2016)
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A laboratory investigation on predictors and consequences of experiencing social closeness during the usage of social networking sites
The Annual Meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico,(2015)
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Broadcasting one world – How watching elevating online videos can strengthen universal orientation and reduce stereotypes
The 9th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Tübingen, Germany,(2015)
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Broadcasting one world – How watching elevating online videos can trigger a sense of universal orientation and a reduction of social stereotypes
The Annual Meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico,(2015)
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Der Öffentlichkeitseffekt : Wie der Grad der Öffentlichkeit auf sozialen Medien die Redebereitschaft beeinflusst
The Annual conference of the Audience and Reception Studies Division of the German Communication Association (DGPuK), Amsterdam, Netherlands,(2015)
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How different audiences in social media affect people’s outspokenness on controversial issues
The International Summer School "Living with Media" at the University of Cologne, Germany,(2015)
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Mean World 2.0 – Does online media use cultivate beliefs about the world?
The Annual Meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico,(2015)
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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,(2015)
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Monitoring the opinion of the crowd – Psychological patterns of public opinion perceptions in social media
The 9th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Tübingen, Germany,(2015)
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What do we fear of? : Expected sanctions for expressing minority opinions in offline and online communication
The Annual meeting of ICA 2015 (International Communication Association), San Juan, Puerto Rico,(2015)
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Exploring the Facebook two-step flow: A survey on opinion leadership in social networking sites
General Online Research (GOR) Conference, Cologne, Germany,(2014)
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Making Sense of Science Blogs : Effekte von ein- und zweiseitigen Online-Artikeln und Quellenangaben auf die Einstellungsbildung zu Wissenschaftsthemen
Jahrestagung der Ad-Hoc-Gruppe „Wissenschaftskommunikation“ der Deutschen Gesellschaft für Publizistik und Kommunikationswissenschaft. Zürich, Schweiz,(2014)
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Two-step flow on Facebook : Opinion leadership in social networking sites
The Annual Meeting of ICA 2014 (International Communication Association), Seattle, WA, USA,(2014)
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United in the name of justice : How conformity processes in the social web influence online vigilantism
The Annual Meeting of ICA 2014 (International Communication Association), Seattle, WA, USA,(2014)
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When science bloggers persuade the audience - Effect of message sidedness, author expertise, and reader characteristics on attitudes toward scientific topics
13th International Public Communication of Science and Technology Conference, Salvador, Brazil,(2014)
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Don’t keep it (too) simple – How representations of scientific uncertainty in online articles affect laypersons’ attitudes
The Annual Meeting of ICA 2013 (International Communication Association), London, United Kingdom,(2013)
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Entertaining videos go viral : How hedonic and eudaimonic aspects of entertainment affect sharing of online videos
The Annual Meeting of ICA 2013 (International Communication Association), London, United Kingdom,(2013)
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How persuasive are science blogs? : Effects of message sidedness, source expertise, and reader characteristics on attitude formation toward scientific debates
8th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Würzburg, Germany,(2013)
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Nutzung sozialer Netzwerke im Öffentlichen Dienst
„Neue Medien in der Krisenkommunikation" an der Akademie für Krisenmanagement, Notfallplanung und Zivilschutz; Bundesamt für Bevölkerungsschutz und Katastrophenhilfe,(2013)
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Psychosocial Functions of Social Media Usage in a Disaster Situation : A Multi-Methodological Approach
3rd International Conference on Crisis Communication in the 21st Century, 2nd-5th October 2013, Erfurt, Germany,(2013)
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The social network experience – A two-level reception model of users’ exposure to social networking sites
The Annual Meeting of ICA 2013 (International Communication Association), London, United Kingdom,(2013)
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„Jeder weiß doch, dass sie uns beobachten!“ : Die Sicht der User auf Privatsphäre im Web 2.0.
Institut für Kommunikationswissenschaft, Westfälische Wilhelms-Universität Münster,(2013)
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Krise 2.0 : Welche Rolle übernahm das Social Web im Zuge der Massenpanik bei der Loveparade 2010?
48. Kongress der Deutschen Gesellschaft für Psychologie, Bielefeld,(2012)
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Let's blog about health! : Exploring the persuasiveness of HIV Blogs compared to informational HIV websites
The Annual Meeting of ICA 2012 (International Communication Association), Phoenix, AZ, USA,(2012)
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Selecting science information in Web 2.0 : Effects of personality characteristics, source cues, and message complexity
The Annual Meeting of ICA 2012 (International Communication Association), Phoenix, AZ, USA,(2012)
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The Role of Social Media Usage related to the Stampede at the Love Parade 2010
The Annual Meeting of ICA 2012 (International Communication Association), Communication and Community, Phoenix, AZ USA - 24-28 May 2012,(2012)
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Wie wird ein YouTube-Video erfolgreich? : Eine medienpsychologische Untersuchung personaler und medialer Determinanten der Weiterleitung von YouTube-Videos
48. Kongress der Deutschen Gesellschaft für Psychologie, Bielefeld,(2012)
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Both sides of the story? : How information complexity influences the selection of online science articles
General Online Research (GOR) Conference, Düsseldorf, Germany,(2011)
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Hum@n touch = healing touch? : Psychological effects of private HIV Blogs on recipients’ health cognitions
General Online Research (GOR) Conference, Düsseldorf, Germany,(2011)
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Lost in the Web? : The effect of information complexity and cognitive abilities on the selection of online science articles
7th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Bremen, Germany,(2011)
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Persuasion 2.0 : Does the human touch frame of private HIV weblogs persuade recipients to show a preventive health behavior?
7th Conference of the Media Psychology Division of the DGPs (German Psychological Society), Bremen, Germany,(2011)
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The influence of information complexity on the selection of online science articles
The Annual Meeting of ICA 2011 (International Communication Association), Boston, USA,(2011)