| Echo chamber and trench warfare dynamics in online debates R Karlsen, K Steen-Johnsen, D Wollebæk, B Enjolras European journal of communication 32 (3), 257-273, 2017 | 246 | 2017 |
| Liker-Liker ikke: Samfunnsengasjement i en Facebook-tid B Enjolras, R Karlsen, K Steen-Johnsen, D Wollebæk Oslo: CappelenDam, 2013 | 239* | 2013 |
| Styles of social media campaigning and influence in a hybrid political communication system: Linking candidate survey data with Twitter data R Karlsen, B Enjolras The International Journal of Press/Politics 21 (3), 338-357, 2016 | 233 | 2016 |
| Followers are opinion leaders: The role of people in the flow of political communication on and beyond social networking sites R Karlsen European journal of communication 30 (3), 301-318, 2015 | 224 | 2015 |
| Anger, fear, and echo chambers: The emotional basis for online behavior D Wollebæk, R Karlsen, K Steen-Johnsen, B Enjolras Social Media+ Society 5 (2), 2056305119829859, 2019 | 207 | 2019 |
| A platform for individualized campaigning? Social media and parliamentary candidates in the 2009 Norwegian election campaign R Karlsen Policy & internet 3 (4), 1-25, 2011 | 129 | 2011 |
| Candidate campaigning in parliamentary systems: Individualized vs. localized campaigning R Karlsen, E Skogerbø Party Politics 21 (3), 428-439, 2015 | 107 | 2015 |
| Do high-choice media environments facilitate news avoidance? A longitudinal study 1997–2016 R Karlsen, A Beyer, K Steen-Johnsen Journal of Broadcasting & Electronic Media 64 (5), 794-814, 2020 | 97 | 2020 |
| Political appointees in executive government: Exploring and explaining roles using a large‐N survey in Norway J Askim, R Karlsen, K Kolltveit Public Administration 95 (2), 342-358, 2017 | 92 | 2017 |
| Social media and trust in news: An experimental study of the effect of Facebook on news story credibility R Karlsen, T Aalberg Digital Journalism 11 (1), 144-160, 2023 | 89 | 2023 |
| Fear of the political consultant: Campaign professionals and new technology in Norwegian electoral politics R Karlsen Party Politics 16 (2), 193-214, 2010 | 82 | 2010 |
| After the mass party: Continuity and change in political parties and representation in Norway EH Allern, K Heidar, R Karlsen Lexington Books, 2015 | 64 | 2015 |
| Campaign communication and the internet: Party strategy in the 2005 Norwegian election campaign R Karlsen Journal of Elections, Public Opinion and Parties 19 (2), 183-202, 2009 | 61 | 2009 |
| Obama's online success and European party organizations: Adoption and adaptation of US online practices in the Norwegian Labor Party R Karlsen Journal of Information Technology & Politics 10 (2), 158-170, 2013 | 58 | 2013 |
| Party bureaucrats, independent professionals, or politicians? A study of party employees R Karlsen, J Saglie West European Politics 40 (6), 1331-1351, 2017 | 50 | 2017 |
| Online and undecided: Voters and the Internet in the contemporary Norwegian election campaign R Karlsen Scandinavian Political Studies 33 (1), 28-50, 2010 | 48 | 2010 |
| Does new media technology drive election campaign change? R Karlsen Information Polity 15 (3), 215-225, 2010 | 48 | 2010 |
| Organisering av valgkampen-«tradisjonell eller moderne» R Karlsen, HM Narud I valgkampens hete. Strategisk kommunikasjon og politisk usikkerhet, 112-137, 2004 | 48* | 2004 |
| Serving the media ministers: A mixed methods study on the personalization of ministerial communication TU Figenschou, R Karlsen, K Kolltveit, K Thorbjørnsrud The International Journal of Press/Politics 22 (4), 411-430, 2017 | 46 | 2017 |
| Still broadcasting the campaign: On the Internet and the fragmentation of political communication with evidence from Norwegian electoral politics R Karlsen Journal of information technology & politics 8 (2), 146-162, 2011 | 44 | 2011 |
