{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T14:46:59Z","timestamp":1776091619566,"version":"3.50.1"},"reference-count":70,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2026,4,11]],"date-time":"2026-04-11T00:00:00Z","timestamp":1775865600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["MAKE"],"abstract":"<jats:p>This study illuminates fundamental questions in behavioral science through advanced machine learning methodologies applied to large-scale public opinion data. Drawing on Kahneman and Tversky\u2019s dual-process theory and Sunstein\u2019s nudge architecture, we employ hierarchical unsupervised clustering and supervised predictive models to detect cognitive biases\u2014loss aversion, availability heuristic, and partisan motivated reasoning\u2014embedded within a nationally representative survey of 5022 American respondents. Our primary methodological contribution is a hierarchical two-stage clustering framework that uncovers latent opinion structures without imposing a priori partisan categories, permitting discovery of cross-cutting cleavages invisible to conventional survey analysis. Three principal findings emerge: (1) loss aversion is empirically confirmed in prospective economic perception, with pessimists outnumbering optimists at a 1.14:1 ratio even among respondents rating current conditions positively; (2) partisan motivated reasoning produces a 13.15 percentage-point perception gap among individuals with identical financial circumstances; and (3) multi-platform digital engagement is associated with reduced partisan bias, providing evidence that challenges simple echo chamber assumptions. Crime safety perception emerges as the strongest predictor of economic bias, surpassing party affiliation, and substantiating availability heuristic dominance in political cognition. These findings carry implications for democratic accountability, platform governance, and the ethics of AI-augmented behavioral analysis in an era of affective polarization.<\/jats:p>","DOI":"10.3390\/make8040098","type":"journal-article","created":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T13:12:26Z","timestamp":1776085946000},"page":"98","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Algorithmic Insights into Human Irrationality: Machine Learning Approaches to Detecting Cognitive Biases and Motivated Reasoning"],"prefix":"10.3390","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0009-0004-4994-4800","authenticated-orcid":false,"given":"Sarthak","family":"Pattnaik","sequence":"first","affiliation":[{"name":"Department of Computer Science, Metropolitan College, Boston, MA 02215, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-6831-426X","authenticated-orcid":false,"given":"Chhayank","family":"Jain","sequence":"additional","affiliation":[{"name":"Department of Computer Science, Metropolitan College, Boston, MA 02215, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-3836-1851","authenticated-orcid":false,"given":"Eugene","family":"Pinsky","sequence":"additional","affiliation":[{"name":"Department of Computer Science, Metropolitan College, Boston, MA 02215, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,4,11]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Norris, P., and Inglehart, R. (2019). Cultural Backlash: Trump, Brexit, and Authoritarian Populism, Cambridge University Press.","DOI":"10.1017\/9781108595841"},{"key":"ref_2","doi-asserted-by":"crossref","unstructured":"Mudde, C., and Kaltwasser, C.R. (2017). Populism: A Very Short Introduction, Oxford University Press.","DOI":"10.1093\/actrade\/9780190234874.001.0001"},{"key":"ref_3","doi-asserted-by":"crossref","unstructured":"Mason, L. (2018). Uncivil Agreement: How Politics Became Our Identity, University of Chicago Press.","DOI":"10.7208\/chicago\/9780226524689.001.0001"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1146\/annurev-polisci-051117-073034","article-title":"The origins and consequences of affective polarization in the United States","volume":"22","author":"Iyengar","year":"2019","journal-title":"Annu. Rev. Political Sci."},{"key":"ref_5","doi-asserted-by":"crossref","unstructured":"Abramowitz, A.I., and McCoy, J. (2018). The Great Alignment: Race, Party Transformation, and the Rise of Donald Trump, Yale University Press.","DOI":"10.2307\/j.ctvhrczh3"},{"key":"ref_6","doi-asserted-by":"crossref","unstructured":"Levendusky, M. (2009). The Partisan Sort: How Liberals Became Democrats and Conservatives Became Republicans, University of Chicago Press.","DOI":"10.7208\/chicago\/9780226473673.001.0001"},{"key":"ref_7","unstructured":"Kahneman, D. (2011). Thinking, Fast and Slow, Farrar, Straus and Giroux."},{"key":"ref_8","doi-asserted-by":"crossref","first-page":"1124","DOI":"10.1126\/science.185.4157.1124","article-title":"Judgment under uncertainty: Heuristics and biases","volume":"185","author":"Tversky","year":"1974","journal-title":"Science"},{"key":"ref_9","doi-asserted-by":"crossref","first-page":"255","DOI":"10.1146\/annurev.psych.59.103006.093629","article-title":"Dual-processing accounts of reasoning, judgment, and social cognition","volume":"59","author":"Evans","year":"2008","journal-title":"Annu. Rev. Psychol."},{"key":"ref_10","doi-asserted-by":"crossref","first-page":"645","DOI":"10.1017\/S0140525X00003435","article-title":"Individual differences in reasoning: Implications for the rationality debate?","volume":"23","author":"Stanovich","year":"2000","journal-title":"Behav. Brain Sci."},{"key":"ref_11","doi-asserted-by":"crossref","first-page":"263","DOI":"10.2307\/1914185","article-title":"Prospect theory: An analysis of decision under risk","volume":"47","author":"Kahneman","year":"1979","journal-title":"Econometrica"},{"key":"ref_12","doi-asserted-by":"crossref","first-page":"755","DOI":"10.1111\/j.1540-5907.2006.00214.x","article-title":"Motivated skepticism in the evaluation of political beliefs","volume":"50","author":"Taber","year":"2006","journal-title":"Am. J. Political Sci."},{"key":"ref_13","doi-asserted-by":"crossref","unstructured":"Lodge, M., and Taber, C.S. (2013). The Rationalizing Voter, Cambridge University Press.","DOI":"10.1017\/CBO9781139032490"},{"key":"ref_14","unstructured":"Sunstein, C.R. (2001). Republic.com, Princeton University Press."},{"key":"ref_15","doi-asserted-by":"crossref","unstructured":"Pariser, E. (2011). The Filter Bubble: What the Internet Is Hiding from You, Penguin Press.","DOI":"10.3139\/9783446431164"},{"key":"ref_16","doi-asserted-by":"crossref","first-page":"207","DOI":"10.1016\/0010-0285(73)90033-9","article-title":"Availability: A heuristic for judging frequency and probability","volume":"5","author":"Tversky","year":"1973","journal-title":"Cogn. Psychol."},{"key":"ref_17","doi-asserted-by":"crossref","first-page":"267","DOI":"10.1093\/pan\/mps028","article-title":"Text as data: The promise and pitfalls of automatic content analysis methods for political texts","volume":"21","author":"Grimmer","year":"2013","journal-title":"Political Anal."},{"key":"ref_18","doi-asserted-by":"crossref","first-page":"1064","DOI":"10.1111\/ajps.12103","article-title":"Structural topic models for open-ended survey responses","volume":"58","author":"Roberts","year":"2014","journal-title":"Am. J. Political Sci."},{"key":"ref_19","first-page":"9","article-title":"How the statistical revolution changes (computational) political science","volume":"44","author":"King","year":"2017","journal-title":"Rev. Espa\u00f1ola Cienc. Pol\u00edtica"},{"key":"ref_20","doi-asserted-by":"crossref","first-page":"453","DOI":"10.1126\/science.7455683","article-title":"The framing of decisions and the psychology of choice","volume":"211","author":"Tversky","year":"1981","journal-title":"Science"},{"key":"ref_21","doi-asserted-by":"crossref","first-page":"719","DOI":"10.2307\/1962487","article-title":"Contrasting rational and psychological analyses of political choice","volume":"82","author":"Quattrone","year":"1988","journal-title":"Am. Political Sci. Rev."},{"key":"ref_22","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1146\/annurev.polisci.8.082103.104911","article-title":"Prospect theory and political science","volume":"8","author":"Mercer","year":"2005","journal-title":"Annu. Rev. Political Sci."},{"key":"ref_23","first-page":"255","article-title":"Capturing the agenda: Presidential and news media influence on public concern about the economy","volume":"29","author":"Behr","year":"1985","journal-title":"Am. J. Political Sci."},{"key":"ref_24","unstructured":"Iyengar, S., and Kinder, D.R. (1987). News That Matters: Television and American Opinion, University of Chicago Press."},{"key":"ref_25","doi-asserted-by":"crossref","unstructured":"Iyengar, S. (1991). Is Anyone Responsible? How Television Frames Political Issues, University of Chicago Press.","DOI":"10.7208\/chicago\/9780226388533.001.0001"},{"key":"ref_26","first-page":"497","article-title":"Priming and political judgments","volume":"11","author":"Krosnick","year":"1990","journal-title":"Political Psychol."},{"key":"ref_27","doi-asserted-by":"crossref","first-page":"831","DOI":"10.1177\/0022002706293665","article-title":"Echoes of Vietnam? Casualty framing and public perceptions of success and failure in Iraq","volume":"50","author":"Boettcher","year":"2006","journal-title":"J. Confl. Resolut."},{"key":"ref_28","doi-asserted-by":"crossref","first-page":"119","DOI":"10.2307\/2111215","article-title":"Two explanations for negativity effects in political behavior","volume":"29","author":"Lau","year":"1985","journal-title":"Am. J. Political Sci."},{"key":"ref_29","first-page":"1","article-title":"Negativity bias and political behavior: An empirical perspective","volume":"65","author":"Soroka","year":"2015","journal-title":"J. Commun."},{"key":"ref_30","doi-asserted-by":"crossref","first-page":"480","DOI":"10.1037\/0033-2909.108.3.480","article-title":"The case for motivated reasoning","volume":"108","author":"Kunda","year":"1990","journal-title":"Psychol. Bull."},{"key":"ref_31","doi-asserted-by":"crossref","first-page":"455","DOI":"10.1111\/j.1467-9221.2005.00426.x","article-title":"The automaticity of affect for political leaders, groups, and issues: An experimental test of the hot cognition hypothesis","volume":"26","author":"Lodge","year":"2005","journal-title":"Political Psychol."},{"key":"ref_32","doi-asserted-by":"crossref","first-page":"303","DOI":"10.1007\/s11109-010-9112-2","article-title":"When corrections fail: The persistence of political misperceptions","volume":"32","author":"Nyhan","year":"2010","journal-title":"Political Behav."},{"key":"ref_33","doi-asserted-by":"crossref","first-page":"2098","DOI":"10.1037\/0022-3514.37.11.2098","article-title":"Biased assimilation and attitude polarization: The effects of prior theories on subsequently considered evidence","volume":"37","author":"Lord","year":"1979","journal-title":"J. Personal. Soc. Psychol."},{"key":"ref_34","doi-asserted-by":"crossref","first-page":"117","DOI":"10.1023\/A:1021226224601","article-title":"Beyond the running tally: Partisan bias in political perceptions","volume":"24","author":"Bartels","year":"2002","journal-title":"Political Behav."},{"key":"ref_35","first-page":"672","article-title":"Partisan perceptual bias and the information environment","volume":"72","author":"Gerber","year":"2010","journal-title":"J. Politics"},{"key":"ref_36","first-page":"967","article-title":"What we know and do not know about the effects of cross-cutting political conversation: A meta-analysis","volume":"64","author":"Crabtree","year":"2020","journal-title":"Am. J. Political Sci."},{"key":"ref_37","first-page":"75","article-title":"Partisan priorities: How issue ownership drives and distorts American politics","volume":"108","author":"Egan","year":"2014","journal-title":"Am. Political Sci. Rev."},{"key":"ref_38","doi-asserted-by":"crossref","first-page":"405","DOI":"10.1093\/poq\/nfs038","article-title":"Affect, not ideology: A social identity perspective on polarization","volume":"76","author":"Iyengar","year":"2012","journal-title":"Public Opin. Q."},{"key":"ref_39","first-page":"631","article-title":"Partisan hearts and minds: Political parties and the social identities of voters","volume":"43","author":"Greene","year":"1999","journal-title":"Am. J. Political Sci."},{"key":"ref_40","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1017\/S0003055414000604","article-title":"Expressive partisanship: Campaign involvement, political emotion, and partisan identity","volume":"109","author":"Huddy","year":"2015","journal-title":"Am. Political Sci. Rev."},{"key":"ref_41","doi-asserted-by":"crossref","first-page":"175","DOI":"10.1111\/1467-9760.00148","article-title":"The law of group polarization","volume":"10","author":"Sunstein","year":"2002","journal-title":"J. Political Philos."},{"key":"ref_42","doi-asserted-by":"crossref","unstructured":"Sunstein, C.R. (2017). #Republic: Divided Democracy in the Age of Social Media, Princeton University Press.","DOI":"10.1515\/9781400884711"},{"key":"ref_43","doi-asserted-by":"crossref","unstructured":"Adamic, L.A., and Glance, N. (2005, January 21\u201325). The political blogosphere and the 2004 US election: Divided they blog. Proceedings of the 3rd International Workshop on Link Discovery, Chicago, IL, USA.","DOI":"10.1145\/1134271.1134277"},{"key":"ref_44","doi-asserted-by":"crossref","first-page":"76","DOI":"10.1093\/pan\/mpu011","article-title":"Birds of the same feather tweet together: Bayesian ideal point estimation using Twitter data","volume":"23","year":"2015","journal-title":"Political Anal."},{"key":"ref_45","doi-asserted-by":"crossref","first-page":"1130","DOI":"10.1126\/science.aaa1160","article-title":"Exposure to ideologically diverse news and opinion on Facebook","volume":"348","author":"Bakshy","year":"2015","journal-title":"Science"},{"key":"ref_46","doi-asserted-by":"crossref","first-page":"298","DOI":"10.1093\/poq\/nfw006","article-title":"Filter bubbles, echo chambers, and online news consumption","volume":"80","author":"Flaxman","year":"2016","journal-title":"Public Opin. Q."},{"key":"ref_47","first-page":"1","article-title":"Selective exposure to misinformation: Evidence from the consumption of fake news during the 2016 US presidential campaign","volume":"9","author":"Guess","year":"2018","journal-title":"Eur. Res. Counc."},{"key":"ref_48","doi-asserted-by":"crossref","first-page":"10612","DOI":"10.1073\/pnas.1706588114","article-title":"Greater Internet use is not associated with faster growth in political polarization among US demographic groups","volume":"114","author":"Boxell","year":"2017","journal-title":"Proc. Natl. Acad. Sci. USA"},{"key":"ref_49","doi-asserted-by":"crossref","first-page":"9216","DOI":"10.1073\/pnas.1804840115","article-title":"Exposure to opposing views on social media can increase political polarization","volume":"115","author":"Bail","year":"2018","journal-title":"Proc. Natl. Acad. Sci. USA"},{"key":"ref_50","first-page":"188","article-title":"The role of (social) media in political polarization: A systematic review","volume":"45","author":"Kubin","year":"2021","journal-title":"Ann. Int. Commun. Assoc."},{"key":"ref_51","first-page":"993","article-title":"Latent dirichlet allocation","volume":"3","author":"Blei","year":"2003","journal-title":"J. Mach. Learn. Res."},{"key":"ref_52","doi-asserted-by":"crossref","first-page":"209","DOI":"10.1111\/j.1540-5907.2009.00427.x","article-title":"How to analyze political attention with minimal assumptions and costs","volume":"54","author":"Quinn","year":"2010","journal-title":"Am. J. Political Sci."},{"key":"ref_53","doi-asserted-by":"crossref","first-page":"374","DOI":"10.1093\/pan\/mpw017","article-title":"Measuring political positions from legislative speech","volume":"24","author":"Lauderdale","year":"2016","journal-title":"Political Anal."},{"key":"ref_54","doi-asserted-by":"crossref","first-page":"519","DOI":"10.1017\/S0003055410000316","article-title":"Leapfrog representation and extremism: A study of American voters and their members in Congress","volume":"104","author":"Bafumi","year":"2010","journal-title":"Am. Political Sci. Rev."},{"key":"ref_55","doi-asserted-by":"crossref","first-page":"899","DOI":"10.1111\/ajps.12219","article-title":"The dynamics of state policy liberalism, 1936\u20132014","volume":"60","author":"Caughey","year":"2016","journal-title":"Am. J. Political Sci."},{"key":"ref_56","unstructured":"Dimock, M., Doherty, C., Kiley, J., and Oates, R. (2014). Political Polarization in the American Public, Pew Research Center."},{"key":"ref_57","doi-asserted-by":"crossref","first-page":"651","DOI":"10.1016\/j.patrec.2009.09.011","article-title":"Data clustering: 50 years beyond K-means","volume":"31","author":"Jain","year":"2010","journal-title":"Pattern Recognit. Lett."},{"key":"ref_58","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/0377-0427(87)90125-7","article-title":"Silhouettes: A graphical aid to the interpretation and validation of cluster analysis","volume":"20","author":"Rousseeuw","year":"1987","journal-title":"J. Comput. Appl. Math."},{"key":"ref_59","doi-asserted-by":"crossref","first-page":"224","DOI":"10.1109\/TPAMI.1979.4766909","article-title":"A cluster separation measure","volume":"1","author":"Davies","year":"1979","journal-title":"IEEE Trans. Pattern Anal. Mach. Intell."},{"key":"ref_60","doi-asserted-by":"crossref","unstructured":"Hennig, C., Meila, M., Murtagh, F., and Rocci, R. (2015). Handbook of Cluster Analysis, Chapman and Hall\/CRC.","DOI":"10.1201\/b19706"},{"key":"ref_61","unstructured":"Downs, A. (1957). An Economic Theory of Democracy, Harper and Row."},{"key":"ref_62","doi-asserted-by":"crossref","unstructured":"Key, V.O. (1966). The Responsible Electorate, Harvard University Press.","DOI":"10.4159\/harvard.9780674497764"},{"key":"ref_63","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1080\/08913810608443650","article-title":"The nature of belief systems in mass publics","volume":"18","author":"Converse","year":"2006","journal-title":"Crit. Rev."},{"key":"ref_64","doi-asserted-by":"crossref","unstructured":"Zaller, J.R. (1992). The Nature and Origins of Mass Opinion, Cambridge University Press.","DOI":"10.1017\/CBO9780511818691"},{"key":"ref_65","doi-asserted-by":"crossref","first-page":"103","DOI":"10.1146\/annurev.polisci.10.072805.103054","article-title":"Framing Theory","volume":"10","author":"Chong","year":"2007","journal-title":"Annu. Rev. Polit. Sci."},{"key":"ref_66","doi-asserted-by":"crossref","unstructured":"Achen, C.H., and Bartels, L.M. (2017). Democracy for Realists: Why Elections Do Not Produce Responsive Government, Princeton University Press.","DOI":"10.1515\/9781400888740"},{"key":"ref_67","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1348\/000711005X48266","article-title":"K-means clustering: A half-century synthesis","volume":"59","author":"Steinley","year":"2006","journal-title":"Br. J. Math. Stat. Psychol."},{"key":"ref_68","doi-asserted-by":"crossref","first-page":"729","DOI":"10.1080\/1369118X.2018.1428656","article-title":"The echo chamber is overstated: The moderating effect of political interest and diverse media","volume":"21","author":"Dubois","year":"2018","journal-title":"Inf. Commun. Soc."},{"key":"ref_69","first-page":"1","article-title":"Should we worry about filter bubbles?","volume":"5","author":"Trilling","year":"2016","journal-title":"Internet Policy Rev."},{"key":"ref_70","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1177\/2053951716679679","article-title":"The ethics of algorithms: Mapping the debate","volume":"3","author":"Mittelstadt","year":"2016","journal-title":"Big Data Soc."}],"container-title":["Machine Learning and Knowledge Extraction"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.mdpi.com\/2504-4990\/8\/4\/98\/pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,13]],"date-time":"2026-04-13T13:44:33Z","timestamp":1776087873000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.mdpi.com\/2504-4990\/8\/4\/98"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,4,11]]},"references-count":70,"journal-issue":{"issue":"4","published-online":{"date-parts":[[2026,4]]}},"alternative-id":["make8040098"],"URL":"https:\/\/doi.org\/10.3390\/make8040098","relation":{},"ISSN":["2504-4990"],"issn-type":[{"value":"2504-4990","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,4,11]]}}}