Pascal Lessel

schoolGerman Research Center for Artificial Intelligencebar_chart#2754 Global Rank

Total Papers

HCI Rank

#2754

Research Areas

Years Active

Recent Publications

Here Comes No Boom! The Lack of Sound Feedback Effects on Performance and User Experience in a Gamified Image Classification Task

Sound effects (SFX) complement the visual feedback provided by gamification elements in gamified systems. However, the impact of SFX has not been systematically studied. To bridge this gap, we investigate the effects of SFX - supplementing points (as a gamification element) - on task performance and user experience in…

CHI '20CorrespondingGamification Design +1

Investigating User-Created Gamification in an Image Tagging Task

Commonly, gamification is designed by developers and not by end-users. In this paper we investigate an approach where users take control of this process. Firstly, users were asked to describe their own gamification concepts which would motivate them to put more effort into an image tagging task. We selected this task…

CHI '195th+ AuthorRecommender System UX +2

Gamified Ads: Bridging the Gap Between User Enjoyment and the Effectiveness of Online Ads

While the use of ad blockers prevents negative impacts of advertising on user experience, it poses a serious threat to the business model of commercial web services and freely available content on the web. As an alternative, we investigate the user enjoyment and the advertising effectiveness of playfully deactivating…

CHI '191st AuthorGamification Design

"Enable or Disable Gamification?" - Analyzing the Impact of Choice in a Gamified Image Tagging Task

This paper investigates a simple form of customization: giving users the choice to enable or disable gamification. We present a study (N=77) in the context of image tagging, in which a gamification approach was shown to be effective in previous work. In our case, some participants could enable or disable gamification…

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