{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T15:54:43Z","timestamp":1783007683813,"version":"3.54.5"},"publisher-location":"New York, NY, USA","reference-count":62,"publisher":"ACM","license":[{"start":{"date-parts":[[2025,4,25]],"date-time":"2025-04-25T00:00:00Z","timestamp":1745539200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"NSF","award":["CHS-1564041"],"award-info":[{"award-number":["CHS-1564041"]}]}],"content-domain":{"domain":["dl.acm.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2025,4,26]]},"DOI":"10.1145\/3706598.3714197","type":"proceedings-article","created":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T04:40:09Z","timestamp":1745469609000},"page":"1-16","update-policy":"https:\/\/doi.org\/10.1145\/crossmark-policy","source":"Crossref","is-referenced-by-count":4,"title":["Placebo Effect of Control Settings in Feeds Are Not Always Strong"],"prefix":"10.1145","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8268-5864","authenticated-orcid":false,"given":"Silas","family":"Hsu","sequence":"first","affiliation":[{"name":"Computer Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1410-3911","authenticated-orcid":false,"given":"Vinay","family":"Koshy","sequence":"additional","affiliation":[{"name":"Computer Science Department, University of Illinois at Urbana Champaign, Champaign, Illinois, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9843-942X","authenticated-orcid":false,"given":"Kristen","family":"Vaccaro","sequence":"additional","affiliation":[{"name":"University of California San Diego, San Diego, California, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9025-536X","authenticated-orcid":false,"given":"Christian","family":"Sandvig","sequence":"additional","affiliation":[{"name":"University of Michigan, Ann Arbor, Michigan, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8788-3405","authenticated-orcid":false,"given":"Karrie","family":"Karahalios","sequence":"additional","affiliation":[{"name":"Computer Science, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"320","published-online":{"date-parts":[[2025,4,25]]},"reference":[{"key":"e_1_3_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1145\/2470654.2466246"},{"key":"e_1_3_3_3_3_2","doi-asserted-by":"crossref","unstructured":"Gediminas Adomavicius Jesse\u00a0C Bockstedt Shawn\u00a0P Curley and Jingjing Zhang. 2013. Do recommender systems manipulate consumer preferences? A study of anchoring effects. Information Systems Research 24 4 (2013) 956\u2013975.","DOI":"10.1287\/isre.2013.0497"},{"key":"e_1_3_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1145\/3290605.3300233"},{"key":"e_1_3_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/bs.irn.2018.07.031"},{"key":"e_1_3_3_3_6_2","unstructured":"American\u00a0Medical Association. 2001. Code of medical ethics opinion 2.1.4: Use of Placebo in Clinical Practice. https:\/\/code-medical-ethics.ama-assn.org\/ethics-opinions\/use-placebo-clinical-practice Accessed June 9 2024."},{"key":"e_1_3_3_3_7_2","doi-asserted-by":"crossref","unstructured":"Reuben\u00a0M Baron and David\u00a0A Kenny. 1986. The moderator\u2013mediator variable distinction in social psychological research: Conceptual strategic and statistical considerations. Journal of personality and social psychology 51 6 (1986) 1173.","DOI":"10.1037\/\/0022-3514.51.6.1173"},{"key":"e_1_3_3_3_8_2","doi-asserted-by":"publisher","unstructured":"Laura Brandimarte Alessandro Acquisti and George Loewenstein. 2013. Misplaced Confidences: Privacy and the Control Paradox. Social Psychological and Personality Science 4 3 (2013) 340\u2013347. 10.1177\/1948550612455931","DOI":"10.1177\/1948550612455931"},{"key":"e_1_3_3_3_9_2","unstructured":"H Brignull. 2010. Dark Patterns. https:\/\/old.deceptive.design\/main_page\/index.html Retrieved April 25 2023."},{"key":"e_1_3_3_3_10_2","unstructured":"H. Brignull M. Leiser C. Santos and K. Doshi. 2023. Deceptive patterns \u2013 user interfaces designed to trick you.https:\/\/www.deceptive.design\/ Retrieved April 25 2023."},{"key":"e_1_3_3_3_11_2","unstructured":"Dell Cameron and Andrew Couts. 2024. The Incognito Mode Myth Has Fully Unraveled. Wired (2024). https:\/\/www.wired.com\/story\/google-chrome-incognito-mode-data-deletion-settlement\/ Accessed December 11 2024."},{"key":"e_1_3_3_3_12_2","unstructured":"X\u00a0Help Center. 2024. Topics on X. https:\/\/help.twitter.com\/en\/using-x\/follow-and-unfollow-topics Accessed January 25 2024."},{"key":"e_1_3_3_3_13_2","unstructured":"Federal\u00a0Trade Commission. 1984. In the Matter of Cliffdale Associates Inc. et al.https:\/\/www.ftc.gov\/system\/files\/ftc_gov\/pdf\/Cliffdale-Assocs-103-FTC-110.pdf 1984 WL 565319 decided March 23 1984."},{"key":"e_1_3_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1145\/642611.642713"},{"key":"e_1_3_3_3_15_2","unstructured":"Frobrukerr\u00e5det (Norwegian\u00a0Consumer Council). 2019. Deceived by Design: How tech companies use dark patterns to discourage us from exercising our rights to privacy. https:\/\/storage02.forbrukerradet.no\/media\/2018\/06\/2018-06-27-deceived-by-design-final.pdf"},{"key":"e_1_3_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1145\/2793107.2793109"},{"key":"e_1_3_3_3_17_2","doi-asserted-by":"publisher","DOI":"10.1145\/3311350.3347173"},{"key":"e_1_3_3_3_18_2","doi-asserted-by":"publisher","DOI":"10.1145\/3613904.3642120"},{"key":"e_1_3_3_3_19_2","doi-asserted-by":"publisher","unstructured":"Damien\u00a0G Finniss Ted\u00a0J Kaptchuk Franklin Miller and Fabrizio Benedetti. 2010. Biological clinical and ethical advances of placebo effects. The Lancet 375 9715 (2010) 686\u2013695. 10.1016\/S0140-6736(09)61706-2","DOI":"10.1016\/S0140-6736(09)61706-2"},{"key":"e_1_3_3_3_20_2","unstructured":"Jacob Frantz. 2015. Updated Controls for News Feed. https:\/\/newsroom.fb.com\/news\/2015\/07\/updated-controls-for-news-feed\/ Accessed September 1 2023."},{"key":"e_1_3_3_3_21_2","doi-asserted-by":"crossref","unstructured":"Batya Friedman. 1996. Value-sensitive design. interactions 3 6 (1996) 16\u201323.","DOI":"10.1145\/242485.242493"},{"key":"e_1_3_3_3_22_2","unstructured":"Frobrukerr\u00e5det. 2018. Deceived by design: How tech companies use dark patterns to discourage us from exercising our rights to privacy. https:\/\/storage02.forbrukerradet.no\/media\/2018\/06\/2018-06-27-deceived-by-design-final.pdf"},{"key":"e_1_3_3_3_23_2","unstructured":"FTC. 2019. FTC Imposes $5 Billion Penalty and Sweeping New Privacy Restrictions on Facebook. https:\/\/www.ftc.gov\/news-events\/news\/press-releases\/2019\/07\/ftc-imposes-5-billion-penalty-sweeping-new-privacy-restrictions-facebook Accessed June 9 2024."},{"key":"e_1_3_3_3_24_2","doi-asserted-by":"publisher","unstructured":"Benjamin\u00a0M. Galvin Amy\u00a0E. Randel Brian\u00a0J. Collins and Russell\u00a0E. Johnson. 2018. Changing the focus of locus (of control): A targeted review of the locus of control literature and agenda for future research. Journal of Organizational Behavior 39 7 (2018) 820\u2013833. 10.1002\/job.2275","DOI":"10.1002\/job.2275"},{"key":"e_1_3_3_3_25_2","doi-asserted-by":"publisher","DOI":"10.1145\/3357236.3395486"},{"key":"e_1_3_3_3_26_2","doi-asserted-by":"publisher","DOI":"10.1145\/3173574.3174108"},{"key":"e_1_3_3_3_27_2","doi-asserted-by":"publisher","unstructured":"Scott Griffiths Emily\u00a0A. Harris Grace Whitehead Felicity Angelopoulos Ben Stone Wesley Grey and Simon Dennis. 2024. Does TikTok contribute to eating disorders? A comparison of the TikTok algorithms belonging to individuals with eating disorders versus healthy controls. Body Image 51 (2024) 101807. 10.1016\/j.bodyim.2024.101807","DOI":"10.1016\/j.bodyim.2024.101807"},{"key":"e_1_3_3_3_28_2","unstructured":"Jessica Guynn. 2023. Tired of what you see in your Facebook feed? Facebook says it\u2019s going to hand you more control. https:\/\/www.usatoday.com\/story\/tech\/2023\/04\/05\/facebook-giving-more-control-news-feed\/11608792002\/ Accessed September 1 2023."},{"key":"e_1_3_3_3_29_2","doi-asserted-by":"publisher","DOI":"10.1145\/3313831.3376511"},{"key":"e_1_3_3_3_30_2","doi-asserted-by":"publisher","DOI":"10.1145\/3568444.3568448"},{"key":"e_1_3_3_3_31_2","doi-asserted-by":"publisher","DOI":"10.1145\/3313831.3376583"},{"key":"e_1_3_3_3_32_2","doi-asserted-by":"publisher","unstructured":"Sara\u00a0Chandros Hull Luana Colloca Andrew Avins Nancy\u00a0P Gordon Carol\u00a0P Somkin Ted\u00a0J Kaptchuk and Franklin\u00a0G Miller. 2013. Patients\u2019 attitudes about the use of placebo treatments: telephone survey. BMJ 347 (2013). 10.1136\/bmj.f3757","DOI":"10.1136\/bmj.f3757"},{"key":"e_1_3_3_3_33_2","doi-asserted-by":"publisher","DOI":"10.1145\/3240323.3240358"},{"key":"e_1_3_3_3_34_2","doi-asserted-by":"publisher","unstructured":"Julia Kirchhof Liubov Petrakova Alexandra Brinkhoff Sven Benson Justine Schmidt Maike Unteroberd\u00f6rster Benjamin Wilde Ted\u00a0J. Kaptchuk Oliver Witzke and Manfred Schedlowski. 2018. Learned immunosuppressive placebo responses in renal transplant patients. Proceedings of the National Academy of Sciences 115 16 (2018) 4223\u20134227. 10.1073\/pnas.1720548115 arXiv:https:\/\/www.pnas.org\/doi\/pdf\/10.1073\/pnas.1720548115","DOI":"10.1073\/pnas.1720548115"},{"key":"e_1_3_3_3_35_2","doi-asserted-by":"publisher","DOI":"10.1145\/2858036.2858402"},{"key":"e_1_3_3_3_36_2","doi-asserted-by":"publisher","DOI":"10.1145\/3613904.3642633"},{"key":"e_1_3_3_3_37_2","doi-asserted-by":"crossref","unstructured":"Bart\u00a0P Knijnenburg Martijn\u00a0C Willemsen Zeno Gantner Hakan Soncu and Chris Newell. 2012. Explaining the user experience of recommender systems. User modeling and user-adapted interaction 22 (2012) 441\u2013504.","DOI":"10.1007\/s11257-011-9118-4"},{"key":"e_1_3_3_3_38_2","doi-asserted-by":"publisher","unstructured":"Thomas Kosch Robin Welsch Lewis Chuang and Albrecht Schmidt. 2023. The Placebo Effect of Artificial Intelligence in Human\u2013Computer Interaction. ACM Trans. Comput.-Hum. Interact. 29 6 Article 56 (jan 2023) 32\u00a0pages. 10.1145\/3529225","DOI":"10.1145\/3529225"},{"key":"e_1_3_3_3_39_2","doi-asserted-by":"publisher","unstructured":"Denis Kotkov Shuaiqiang Wang and Jari Veijalainen. 2016. A survey of serendipity in recommender systems. Knowledge-Based Systems 111 (2016) 180\u2013192. 10.1016\/j.knosys.2016.08.014","DOI":"10.1016\/j.knosys.2016.08.014"},{"key":"e_1_3_3_3_40_2","doi-asserted-by":"crossref","unstructured":"Hanna Levenson. 1973. Multidimensional locus of control in psychiatric patients. Journal of consulting and clinical psychology 41 3 (1973) 397.","DOI":"10.1037\/h0035357"},{"key":"e_1_3_3_3_41_2","unstructured":"Jacob Liedke and Luxuan Wang. 2023. Social Media and News Fact Sheet. Pew Research Center (15 11 2023). https:\/\/www.pewresearch.org\/journalism\/fact-sheet\/social-media-and-news-fact-sheet\/ Accessed April 21 2024."},{"key":"e_1_3_3_3_42_2","doi-asserted-by":"publisher","unstructured":"Jamie Luguri and Lior\u00a0Jacob Strahilevitz. 2021. Shining a Light on Dark Patterns. Journal of Legal Analysis 13 1 (03 2021) 43\u2013109. 10.1093\/jla\/laaa006 arXiv:https:\/\/academic.oup.com\/jla\/article-pdf\/13\/1\/43\/36669915\/laaa006.pdf","DOI":"10.1093\/jla\/laaa006"},{"key":"e_1_3_3_3_43_2","doi-asserted-by":"publisher","DOI":"10.1145\/3411764.3445610"},{"key":"e_1_3_3_3_44_2","unstructured":"Colleen McClain Regina Widjaya Gonzalo Rivero and Aaron Smith. 2021. The views and experiences of U.S. adult Twitter users. Pew Research Center (2021). https:\/\/www.pewresearch.org\/internet\/2021\/11\/15\/1-the-views-and-experiences-of-u-s-adult-twitter-users\/"},{"key":"e_1_3_3_3_45_2","doi-asserted-by":"publisher","unstructured":"William Melicher Mahmood Sharif Joshua Tan Lujo Bauer Mihai Christodorescu and Pedro\u00a0Giovanni Leon. 2016. (Do Not) Track Me Sometimes: Users\u2019 Contextual Preferences for Web Tracking. Proceedings on Privacy Enhancing Technologies 2016 2 (2016) 1\u201320. 10.1515\/popets-2016-0009","DOI":"10.1515\/popets-2016-0009"},{"key":"e_1_3_3_3_46_2","doi-asserted-by":"publisher","DOI":"10.1145\/3544548.3580695"},{"key":"e_1_3_3_3_47_2","doi-asserted-by":"publisher","unstructured":"Thomas W.\u00a0H. Ng Kelly\u00a0L. Sorensen and Lillian\u00a0T. Eby. 2006. Locus of control at work: a meta-analysis. Journal of Organizational Behavior 27 8 (2006) 1057\u20131087. 10.1002\/job.416","DOI":"10.1002\/job.416"},{"key":"e_1_3_3_3_48_2","doi-asserted-by":"publisher","unstructured":"Raymond\u00a0S. Nickerson. 1998. Confirmation Bias: A Ubiquitous Phenomenon in Many Guises. Review of General Psychology 2 2 (1998) 175\u2013220. 10.1037\/1089-2680.2.2.175","DOI":"10.1037\/1089-2680.2.2.175"},{"key":"e_1_3_3_3_49_2","unstructured":"NORC. 2022. Panel Design. https:\/\/amerispeak.norc.org\/us\/en\/amerispeak\/about-amerispeak\/panel-design.html Accessed April 9 2024."},{"key":"e_1_3_3_3_50_2","unstructured":"Council of\u00a0the European\u00a0Union. 2022. The Digital Services Act (DSA) - Regulation (EU) 2022\/2065 Article 25. https:\/\/www.eu-digital-services-act.com\/Digital_Services_Act_Article_25.html"},{"key":"e_1_3_3_3_51_2","doi-asserted-by":"publisher","unstructured":"Keith\u00a0J. Petrie and Winfried Rief. 2019. Psychobiological Mechanisms of Placebo and Nocebo Effects: Pathways to Improve Treatments and Reduce Side Effects. Annual Review of Psychology 70 1 (2019) 599\u2013625. 10.1146\/annurev-psych-010418-102907 arXiv:10.1146\/annurev-psych-010418-102907 PMID: 30110575.","DOI":"10.1146\/annurev-psych-010418-102907"},{"key":"e_1_3_3_3_52_2","unstructured":"Jacopo Prisco. 2018. Illusion of control: Why the world is full of buttons that don\u2019t work. CNN (03 09 2018). https:\/\/www.cnn.com\/style\/article\/placebo-buttons-design\/index.html Accessed June 27 2024."},{"key":"e_1_3_3_3_53_2","doi-asserted-by":"publisher","unstructured":"Urbano Reviglio and Claudio Agosti. 2020. Thinking Outside the Black-Box: The Case for \u201cAlgorithmic Sovereignty\u201d in Social Media. Social Media + Society 6 2 (2020) 2056305120915613. 10.1177\/2056305120915613","DOI":"10.1177\/2056305120915613"},{"key":"e_1_3_3_3_54_2","unstructured":"Elisa Shearer and Elizabeth Grieco. 2019. Americans are wary of the role social media sites play in delivering the news. Pew Research Center (2 10 2019). https:\/\/www.pewresearch.org\/journalism\/2019\/10\/02\/americans-are-wary-of-the-role-social-media-sites-play-in-delivering-the-news\/ Accessed May 24 2024."},{"key":"e_1_3_3_3_55_2","doi-asserted-by":"publisher","unstructured":"Baba Shiv Ziv Carmon and Dan Ariely. 2005. Placebo Effects of Marketing Actions: Consumers May Get What They Pay For. Journal of Marketing Research 42 4 (2005) 383\u2013393. 10.1509\/jmkr.2005.42.4.383","DOI":"10.1509\/jmkr.2005.42.4.383"},{"key":"e_1_3_3_3_56_2","volume-title":"Designing the User Interface: Strategies for Effective Human-Computer Interaction","author":"Shneiderman Ben","year":"2016","unstructured":"Ben Shneiderman, Catherine Plaisant, Maxine Cohen, Steven Jacobs, Niklas Elmqvist, and Nicholas Diakopoulos. 2016. Designing the User Interface: Strategies for Effective Human-Computer Interaction. Pearson, New York, NY, USA."},{"key":"e_1_3_3_3_57_2","doi-asserted-by":"publisher","unstructured":"M.\u00a0S. Silberman B. Tomlinson R. LaPlante J. Ross L. Irani and A. Zaldivar. 2018. Responsible research with crowds: pay crowdworkers at least minimum wage. Commun. ACM 61 3 (feb 2018) 39\u201341. 10.1145\/3180492","DOI":"10.1145\/3180492"},{"key":"e_1_3_3_3_58_2","volume-title":"2017 AAAI Spring Symposium Series","author":"Springer Aaron","year":"2017","unstructured":"Aaron Springer, Victoria Hollis, and Steve Whittaker. 2017. Dice in the black box: User experiences with an inscrutable algorithm. In 2017 AAAI Spring Symposium Series."},{"key":"e_1_3_3_3_59_2","unstructured":"Kristen Vaccaro. 2024. Personal communication."},{"key":"e_1_3_3_3_60_2","doi-asserted-by":"publisher","DOI":"10.1145\/3173574.3173590"},{"key":"e_1_3_3_3_61_2","doi-asserted-by":"publisher","unstructured":"Barbara\u00a0H. Wixom and Peter\u00a0A. Todd. 2005. A Theoretical Integration of User Satisfaction and Technology Acceptance. Information Systems Research 16 1 (2005) 85\u2013102. 10.1287\/isre.1050.0042 arXiv:https:\/\/pubsonline.informs.org\/doi\/pdf\/10.1287\/isre.1050.0042","DOI":"10.1287\/isre.1050.0042"},{"key":"e_1_3_3_3_62_2","unstructured":"Molly Wood. 2014. OKCupid Plays With Love in User Experiments. The New York Times (28 07 2014). https:\/\/www.nytimes.com\/2014\/07\/29\/technology\/okcupid-publishes-findings-of-user-experiments.html"},{"key":"e_1_3_3_3_63_2","first-page":"39","volume-title":"Foundations of Digital Games 2013","author":"Zagal Jos\u00e9\u00a0P","year":"2013","unstructured":"Jos\u00e9\u00a0P Zagal, Staffan Bj\u00f6rk, and Chris Lewis. 2013. Dark patterns in the design of games. In Foundations of Digital Games 2013. Society for the Advancement of the Science of Digital Games, Chania, Crete, Greece, 39\u201346. http:\/\/www.fdg2013.org\/program\/papers.html"}],"event":{"name":"CHI 2025: CHI Conference on Human Factors in Computing Systems","location":"Yokohama Japan","acronym":"CHI '25","sponsor":["SIGCHI ACM Special Interest Group on Computer-Human Interaction"]},"container-title":["Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems"],"original-title":[],"link":[{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3706598.3714197","content-type":"unspecified","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/dl.acm.org\/doi\/pdf\/10.1145\/3706598.3714197","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,7,4]],"date-time":"2025-07-04T05:58:49Z","timestamp":1751608729000},"score":1,"resource":{"primary":{"URL":"https:\/\/dl.acm.org\/doi\/10.1145\/3706598.3714197"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,4,25]]},"references-count":62,"alternative-id":["10.1145\/3706598.3714197","10.1145\/3706598"],"URL":"https:\/\/doi.org\/10.1145\/3706598.3714197","relation":{},"subject":[],"published":{"date-parts":[[2025,4,25]]},"assertion":[{"value":"2025-04-25","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}]}}