A new research paper, "Hidden Distances: How Likert-Scale Spacing Shapes Algorithmic Voting Advice," published on arXiv, reveals that the numerical spacing assigned to Likert scale responses in Voting Advice Applications (VAAs) can significantly alter candidate recommendations. The study, using data from Denmark where VAAs are widely used, found that changes in spacing could shift up to 37.7% of top candidate matches without altering user responses. These spacing choices can disproportionately favor candidates with strong positions or specific genders, highlighting potential electoral consequences and the need for transparency in VAA design. The findings also suggest similar implications for other recommender systems, such as dating platforms and roommate allocation tools. AI
IMPACT Highlights how subtle design choices in algorithmic recommenders can have significant real-world consequences, impacting user choices beyond elections.
RANK_REASON Research paper published on arXiv detailing findings on algorithmic voting advice applications. [lever_c_demoted from research: ic=1 ai=0.4]
Read on arXiv cs.IR (Information Retrieval) →
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