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U.S.A."],"published-print":{"date-parts":[[2025,12,16]]},"abstract":"<jats:p>Voting Advice Applications (VAAs) are interactive tools that communicate information about elections, yet their effectiveness in enhancing political knowledge and participation remains understudied. Moreover, traditional VAAs may disproportionately attract politically engaged users with already well-formed ideological views, limiting their potential to inform a broader and less engaged electorate. This paper introduces a \u201cVAA Bot\u201d that employs large language models (LLMs) and retrieval-augmented generation to deliver balanced, personalized information drawn from official party platforms and public documents. We evaluate the VAA Bot\u2019s impact across three experimental studies aimed at young politically unaffiliated adults. The findings provide evidence that the VAA Bot improves knowledge of party stances on issues of great importance to each user. However, the VAA Bot produces weak effects on downstream outcomes such as vote preferences and party evaluations among respondents whose primary issue position aligns closely with one of the parties. These findings contribute to ongoing debates about the role of political information in shaping behavior and clarify both the promise and the limitations of LLM-based tools for civic learning.<\/jats:p>","DOI":"10.1073\/pnas.2515516122","type":"journal-article","created":{"date-parts":[[2025,12,8]],"date-time":"2025-12-08T20:03:37Z","timestamp":1765224217000},"update-policy":"https:\/\/doi.org\/10.1073\/pnas.cm10313","source":"Crossref","is-referenced-by-count":7,"title":["Chatbot Voting Advice Applications inform but seldom sway young unaligned voters"],"prefix":"10.1073","volume":"122","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3243-0975","authenticated-orcid":false,"given":"Yamil R.","family":"Velez","sequence":"first","affiliation":[{"name":"Department of Political Science","place":["New York"]},{"name":"Columbia University","place":["New York"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8850-438X","authenticated-orcid":false,"given":"Donald P.","family":"Green","sequence":"additional","affiliation":[{"name":"Department of Political Science","place":["New York"]},{"name":"Columbia University","place":["New York"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7886-4616","authenticated-orcid":false,"given":"Semra","family":"Sevi","sequence":"additional","affiliation":[{"name":"Department of Political Science","place":["Toronto, Canada"]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"341","published-online":{"date-parts":[[2025,12,8]]},"reference":[{"key":"e_1_3_4_1_2","unstructured":"A. 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Stud."},{"key":"e_1_3_4_24_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.electstud.2020.102200"},{"key":"e_1_3_4_25_2","doi-asserted-by":"publisher","DOI":"10.1177\/1532673X221118344"},{"key":"e_1_3_4_26_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.electstud.2013.06.007"},{"key":"e_1_3_4_27_2","first-page":"41","article-title":"Age, political knowledge and electoral turnout: A case study of Canada","volume":"55","author":"Stockemer D.","year":"2017","unstructured":"D. Stockemer, F. Rocher, Age, political knowledge and electoral turnout: A case study of Canada. Commonw. Comp. Polit. 55, 41\u201362 (2017).","journal-title":"Commonw. Comp. Polit."},{"key":"e_1_3_4_28_2","doi-asserted-by":"publisher","DOI":"10.1093\/oso\/9780190263720.001.0001"},{"key":"e_1_3_4_29_2","doi-asserted-by":"publisher","DOI":"10.1086\/297749"},{"key":"e_1_3_4_30_2","doi-asserted-by":"publisher","DOI":"10.1080\/0305569870130106"},{"key":"e_1_3_4_31_2","doi-asserted-by":"publisher","DOI":"10.1017\/S0007123417000515"},{"key":"e_1_3_4_32_2","unstructured":"S. Soule Will they engage? Political knowledge participation and attitudes of generations x and y (2001). https:\/\/eric.ed.gov\/?id=ED457122. Accessed 20 November 2025."},{"key":"e_1_3_4_33_2","doi-asserted-by":"publisher","DOI":"10.1017\/S0022381607080127"},{"key":"e_1_3_4_34_2","doi-asserted-by":"publisher","DOI":"10.1093\/ijpor\/edz052"},{"key":"e_1_3_4_35_2","unstructured":"J. Kleinnijenhuis Nederland vijfstromenland: De rol van de media en stemwijzers bij de verkiezingen van 2006 (2007). https:\/\/research.vu.nl\/ws\/portalfiles\/portal\/2251574\/drukproef%20k06.pdf. 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Clifford \u201cWhen information affects attitudes: The effectiveness of targeting attitude-relevant beliefs.\u201d (2025). https:\/\/preprints.apsanet.org\/engage\/apsa\/article-details\/684345543ba0887c3375f65a.","DOI":"10.33774\/apsa-2025-m6rbw-v2"},{"key":"e_1_3_4_63_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-025-61345-5"},{"key":"e_1_3_4_64_2","doi-asserted-by":"crossref","unstructured":"C. Crabtree J. Holbein M. Bosley S. Sevi \u201cCan AI help reduce prejudice? Evaluating the effectiveness of AI-powered personalized persuasion on support for transgender rights.\u201d (April 24 2025) (2025). https:\/\/papers.ssrn.com\/sol3\/papers.cfm?abstract_id=5229084. Accessed 20 November 2025.","DOI":"10.2139\/ssrn.5229084"},{"key":"e_1_3_4_65_2","unstructured":"Z. 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