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Tanja Marie Hansen

Biographic Data

ID1494531
NAMETanja Marie Hansen
GIVEN NAMESTanja Marie
FAMILY NAMEHansen
SIGNATUREHANSEN T M
AFFILIATIONSAarhus University
ORCID0000-0002-2863-6532
VERIFIEDYes
TOTAL WORKS6
TOTAL CITATIONS2
AUTHOR COUNT6
EDITOR COUNT0
FIRST PUBLICATION YEAR2021
LATEST PUBLICATION YEAR2026
H-INDEX1
  • Crowd-moderation of hateful content on social media

    Open Access•Kristoffer Skovgaard Jensen, Tanja Marie Hansen et al.•ARTICLE•Journal of Information Technology…•2026

    Recent research suggests that crowd-moderation offers a promising remedy for online political hate. However, interventions promoting online behavior change face challenges of scalability. In two large-scale survey experiments in the US (N = 2105) and Australia (N = 2093), we find that 30-second and 15-second videos, as well as corresponding still-picture infographics calling upon social media users to”speak up, report, support,” increase responde…

  • Location, Location, Location

    Open Access•Tanja Marie Hansen, Jens Lemb•ARTICLE•Terrorism and Political Violence•2025

    Most academic definitions of terrorism emphasize the communicative function of terrorism. The aim of terrorist violence is widely held to be to gain publication for a political or religious cause. Despite this emphasis on communication, terrorists rarely seek attention by claiming responsibility for attacks. According to the Global Terrorism Database, claims of responsibility are only issued for approximately every sixth attack. This raises the q…

  • The devil is in the detail

    Tanja Marie Hansen, Lasse Lindekilde et al.•ARTICLE•Behaviour and Information…•2024

    Online content moderation is often equated with platform-initiated take-downs and account suspensions. Counterspeech and other types of pro-social bystander behaviours present alternative approaches. They rely on the reactions of online bystanders to crowd-moderate hostile content. However, the current conceptual understanding of bystander reactions to hostility on social media is inadequate. What constitutes a reaction; what functions do specifi…

  • Time Is of the Essence

    Tanja Marie Hansen•ARTICLE•Terrorism and Political Violence•2023•Cited by: 1

    Despite widespread focus on the communicative function of terrorism, terrorists frequently forgo claiming responsibility for their attacks. So why don’t terrorists claim their attacks? The scholars who have attempted to answer this question have primarily focused on group- and target-based differences. I propose an alternative theory, emphasizing the importance of temporality. Intuitively, the passing of time following group entry should change t…

  • The Perils of Estimating Disengagement Effects of Deadly Terrorist Attacks Utilizing Social Media Data

    Open Access•Tanja Marie Hansen•ARTICLE•British Journal of Political…•2022•Cited by: 1•References: 7

    This comment discusses the impact of social media rule enforcement protocols on research on online data sources. It argues that the conclusions of the article ‘Do Islamic State's Deadly Attacks Disengage, Deter, or Mobilize Supporters?’ concerning the recruitment effects of deadly attacks cannot be assumed to hold when considering the timing of Twitter account suspensions. It highlights four ways in which suspensions can confound evidence of demo…

  • Fifty Shades of Terrorist Credit-Taking

    Open Access•Tanja Marie Hansen•ARTICLE•International Studies Review•2021

    The consistently low credit-taking rates, 16 percent in 2016 (Global Terrorism Database), continue to challenge the understanding of terrorism as “propaganda of the deed” twenty years after researchers initially pointed out the conundrum. While providing an overview and evaluation of the limited existing literature on credit-taking, this paper draws attention to three core problems in the current literature on terrorist credit-taking, which may h…

  • Time Is of the Essence

    Tanja Marie Hansen•ARTICLE•Terrorism and Political Violence•2023•Cited by: 1

    Despite widespread focus on the communicative function of terrorism, terrorists frequently forgo claiming responsibility for their attacks. So why don’t terrorists claim their attacks? The scholars who have attempted to answer this question have primarily focused on group- and target-based differences. I propose an alternative theory, emphasizing the importance of temporality. Intuitively, the passing of time following group entry should change t…

  • The Perils of Estimating Disengagement Effects of Deadly Terrorist Attacks Utilizing Social Media Data

    Open Access•Tanja Marie Hansen•ARTICLE•British Journal of Political…•2022•Cited by: 1•References: 7

    This comment discusses the impact of social media rule enforcement protocols on research on online data sources. It argues that the conclusions of the article ‘Do Islamic State's Deadly Attacks Disengage, Deter, or Mobilize Supporters?’ concerning the recruitment effects of deadly attacks cannot be assumed to hold when considering the timing of Twitter account suspensions. It highlights four ways in which suspensions can confound evidence of demo…

  • Fifty Shades of Terrorist Credit-Taking

    Open Access•Tanja Marie Hansen•ARTICLE•International Studies Review•2021

    The consistently low credit-taking rates, 16 percent in 2016 (Global Terrorism Database), continue to challenge the understanding of terrorism as “propaganda of the deed” twenty years after researchers initially pointed out the conundrum. While providing an overview and evaluation of the limited existing literature on credit-taking, this paper draws attention to three core problems in the current literature on terrorist credit-taking, which may h…

  • The Perils of Estimating Disengagement Effects of Deadly Terrorist Attacks Utilizing Social Media Data

    Open Access•Tanja Marie Hansen•ARTICLE•British Journal of Political…•2022•Cited by: 1•References: 7

    This comment discusses the impact of social media rule enforcement protocols on research on online data sources. It argues that the conclusions of the article ‘Do Islamic State's Deadly Attacks Disengage, Deter, or Mobilize Supporters?’ concerning the recruitment effects of deadly attacks cannot be assumed to hold when considering the timing of Twitter account suspensions. It highlights four ways in which suspensions can confound evidence of demo…

  • Time Is of the Essence

    Tanja Marie Hansen•ARTICLE•Terrorism and Political Violence•2023•Cited by: 1

    Despite widespread focus on the communicative function of terrorism, terrorists frequently forgo claiming responsibility for their attacks. So why don’t terrorists claim their attacks? The scholars who have attempted to answer this question have primarily focused on group- and target-based differences. I propose an alternative theory, emphasizing the importance of temporality. Intuitively, the passing of time following group entry should change t…

  • The devil is in the detail

    Tanja Marie Hansen, Lasse Lindekilde et al.•ARTICLE•Behaviour and Information…•2024

    Online content moderation is often equated with platform-initiated take-downs and account suspensions. Counterspeech and other types of pro-social bystander behaviours present alternative approaches. They rely on the reactions of online bystanders to crowd-moderate hostile content. However, the current conceptual understanding of bystander reactions to hostility on social media is inadequate. What constitutes a reaction; what functions do specifi…

  • Location, Location, Location

    Open Access•Tanja Marie Hansen, Jens Lemb•ARTICLE•Terrorism and Political Violence•2025

    Most academic definitions of terrorism emphasize the communicative function of terrorism. The aim of terrorist violence is widely held to be to gain publication for a political or religious cause. Despite this emphasis on communication, terrorists rarely seek attention by claiming responsibility for attacks. According to the Global Terrorism Database, claims of responsibility are only issued for approximately every sixth attack. This raises the q…

  • Crowd-moderation of hateful content on social media

    Open Access•Kristoffer Skovgaard Jensen, Tanja Marie Hansen et al.•ARTICLE•Journal of Information Technology…•2026

    Recent research suggests that crowd-moderation offers a promising remedy for online political hate. However, interventions promoting online behavior change face challenges of scalability. In two large-scale survey experiments in the US (N = 2105) and Australia (N = 2093), we find that 30-second and 15-second videos, as well as corresponding still-picture infographics calling upon social media users to”speak up, report, support,” increase responde…

Law (5 works) · Political science (5 works) · Terrorism (4 works) · Terrorism, Counterterrorism, and Political Violence (4 works) · Criminology (3 works) · Economics (3 works) · Politics (3 works) · Psychology (3 works) · Sociology (3 works) · Computer Science (2 works)

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