• A Design Theory for Certification Presentations 

      Lins, Sebastian; Becker, Jan-Michael; Lyytinen, Kalle; Sunyaev, Ali (Journal article; Peer reviewed, 2023)
      Prior information system research remains inconsistent of the effects of system certifications. In their current use, certifications are often reduced to graphical seals. This approach fails to incorporate detailed assurance ...
    • A Design Theory for Certification Presentations 

      Lins, Sebastian; Becker, Jan-Michael; Lyytinen, Kalle; Sunyaev, Ali (Journal article; Peer reviewed, 2023)
      Prior information system research remains inconsistent of the effects of system certifications. In their current use, certifications are often reduced to graphical seals. This approach fails to incorporate detailed assurance ...
    • How Important Is Word of Mouth? Development, Validation, and Application of a Scale 

      Becker, Jan-Michael; Völckner, Franziska; Sattler, Henrik (Journal article; Peer reviewed, 2024)
      Companies spend large amounts of money to induce word of mouth (WOM) and spread it among consumers. This research introduces the concept of “WOM relevance,” which measures the importance of WOM for consumers’ purchase-decision ...
    • How, Why, and When Disclosure Type Matters for Influencer Marketing 

      Karagür, Zeynep; Becker, Jan-Michael; Klein, Kristina; Edeling, Alexander (Journal article; Peer reviewed, 2021)
      Consumers’ changing media consumption behaviors and skepticism toward traditional forms of advertising have prompted the growth of influencer marketing. Even as regulatory authorities call on brands and influencers to ...