From social media diet to public riot? Engagement with "greenfluencers" and young social media users' environmental activism. - Helena Knupfer; Ariadne Neureiter; Jörg Matthes (Comput. Hum. Behav., 2023)

See something, say something? The role of online self-disclosure on fear of terror among young social media users. - Ruta Kaskeleviciute; Helena Knupfer; Jörg Matthes (New Media Soc., 2024)

Peer correction of misinformation on social media: (In)civility, success experience and relationship consequences. - Raffael Heiss; Andreas Nanz; Helena Knupfer; Elena Engel; Jörg Matthes (New Media Soc., 2025)

"I stand up for us": Muslims' feelings of stigmatization in response to terrorism on social media. - Ruta Kaskeleviciute; Helena Knupfer; Jörg Matthes (New Media Soc., 2025)