Foraging in multi-list recommender interfaces: the effects of digital nudges and aging

StatusPost-Print
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Authors
Sędek, Grzegorz
Rydzewska, Klara
Nielek, Radosław
Wierzbicki, Adam
Monograph
Monograph (alternative title)
Date
2025-08-06
Publisher
Journal title
International Journal of Human-Computer Studies
Issue
Volume
203
Pages
Pages
1-13
DOI
ISSN
1071-5819
ISSN of series
Weblink
https://www.sciencedirect.com/science/article/pii/S1071581925001454
Access date
2027-07-23
Abstract PL
Abstract EN
User interfaces composed of multiple carousels (Multi-List Recommender Interfaces, MLRIs) are today’s standard for recommender systems used in e-commerce and streaming or music platforms. User behavior in such systems can be compared to foraging, a research paradigm used in the natural sciences and psychology. Research on foraging points out several hypotheses that can apply to MLRI users. Results from the psychology of aging point out possible limitations of older adults in the use of MLRIs. We verify this hypothesis in an experiment that measures users’ objective performance (N=441). The experiment results confirm that older users are less effective in a task of searching for products in a MLRI interface. We propose an improvement of the carousel interface through a digital nudge that aims to prompt a user to leave a carousel that does not contain items matching the user’s preferences, and switch to another carousel. Our experimental results confirm the effectiveness of the proposed digital nudge in increasing the performance of both older and younger users.
Abstract other
Keywords PL
Keywords EN
Multi-List Recommender Interface
carousel
digital nudge
foraging
older adults
aging
e-commerce
streaming platform
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URI
https://share.swps.edu.pl/handle/swps/1620
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cc-by-nc-nd
Except as otherwise noted, this item is licensed under the Attribution-NonCommercial-NoDerivatives licence | Permitted use of copyrighted works
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Wspieranie ludzi w starszym wieku w dokonywaniu bardziej optymalnych wyborów w złożonych zadaniach decyzyjnych dotyczących zakupów internetowych
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