Steering Recommendations and Visualising Its Impact: Effects on Adolescents' Trust in E-Learning Platforms

Jeroen Ooge, Leen Dereu, Katrien Verbert

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Researchers have widely acknowledged the potential of control mechanisms with which end-users of recommender systems can better tailor recommendations. However, few e-learning environments so far incorporate such mechanisms, for example for steering recommended exercises. In addition, studies with adolescents in this context are rare. To address these limitations, we designed a control mechanism and a visualisation of the control's impact through an iterative design process with adolescents and teachers. Then, we investigated how these functionalities affect adolescents' trust in an e-learning platform that recommends maths exercises. A randomised controlled experiment with 76 middle school and high school adolescents showed that visualising the impact of exercised control significantly increases trust. Furthermore, having control over their mastery level seemed to inspire adolescents to reasonably challenge themselves and reflect upon the underlying recommendation algorithm. Finally, a significant increase in perceived transparency suggested that visualising steering actions can indirectly explain why recommendations are suitable, which opens interesting research tracks for the broader field of explainable AI.

Original languageEnglish
Title of host publicationIUI '23
Subtitle of host publicationProceedings of the 28th International Conference on Intelligent User Interfaces
PublisherAssociation for Computing Machinery (ACM)
Pages156-170
Number of pages15
ISBN (Electronic)979-8-4007-0106-1
DOIs
Publication statusPublished - 27 Mar 2023
Externally publishedYes
Event28th International Conference on Intelligent User Interfaces, IUI 2023 - Sydney, Australia
Duration: 27 Mar 202331 Mar 2023

Conference

Conference28th International Conference on Intelligent User Interfaces, IUI 2023
Country/TerritoryAustralia
CitySydney
Period27/03/2331/03/23

Keywords

  • controllability
  • education
  • explainable AI
  • inspectability
  • technology-enhanced learning
  • teenagers
  • XAI

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