The Rise and Impact of Fact-Checking in U.S. Campaigns by Amanda Wintersieck a Dissertation Presented in Partial Fulfillment O
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The Rise and Impact of Fact-Checking in U.S. Campaigns by Amanda Wintersieck A Dissertation Presented in Partial Fulfillment of the Requirements for the Degree Doctor of Philosophy Approved April 2015 by the Graduate Supervisory Committee: Kim Fridkin, Chair Mark Ramirez Patrick Kenney ARIZONA STATE UNIVERSITY May 2015 ABSTRACT Do fact-checks influence individuals' attitudes and evaluations of political candidates and campaign messages? This dissertation examines the influence of fact- checks on citizens' evaluations of political candidates. Using an original content analysis, I determine who conducts fact-checks of candidates for political office, who is being fact- checked, and how fact-checkers rate political candidates' level of truthfulness. Additionally, I employ three experiments to evaluate the impact of fact-checks source and message cues on voters' evaluations of candidates for political office. i DEDICATION To My Husband, Aza ii ACKNOWLEDGMENTS I wish to express my sincerest thanks to the many individuals who helped me with this dissertation and throughout my graduate career. First, I would like to thank all the members of my committee, Professors Kim L. Fridkin, Patrick Kenney, and Mark D. Ramirez. I am especially grateful to my mentor and committee chair, Dr. Kim L. Fridkin. Your help and encouragement were invaluable during every stage of this dissertation and my graduate career. I would also like to thank my other committee members and mentors, Patrick Kenney and Mark D. Ramirez. Your academic and professional advice has significantly improved my abilities as a scholar. I am grateful to husband, Aza, for his tireless support and love throughout this project. To my cohort members and friends, Jill Carle, Erik Bumgardner, Chris Hale, Emily Molfino and John Cuffe, this journey would not have been the same without you. Thank you for listening to me on the roughest days and for celebrating with me on the good ones. And finally, I would like to thank my parents, Philip and Donna Cristelli, and my siblings, Jenny, Mary, and Emily who unquestionably supported me throughout my academic career. iii TABLE OF CONTENTS Page LIST OF TABLES ................................................................................................................. vii LIST OF FIGURES ................................................................................................................. ix CHAPTER 1 FACT-CHECKING AMERICAN POLITICAL CAMPAIGNS ............................. 1 Fact-Checking American Political Campaigns ......................................... 3 Who Visits Fact-Checking Websites? ....................................................... 7 The Influence of Informaiton During Campaigns ..................................... 7 The Impact of the Message ........................................................................ 8 The Impact of the Source ......................................................................... 13 The Impact of Audience Characteristics ................................................. 17 Summarizing the Theoretical Predictions ............................................... 20 Dissertation Outline ................................................................................. 21 2 METHODS AND DATA ............. ............................................................................ 23 The Content of Fact-Checking ................................................................. 23 How Fact-Checking Influences Evaluations of Candidates and Their Political Communications ........................................................................ 25 Validity of the Experiments ..................................................................... 30 Summary of Experiments ........................................................................ 30 3 THE RISE OF FACT-CHECKING IN AMERICAN POLITICAL CAMPAIGNS 32 Methods .................................................................................................... 32 Results: Fact-Checking In American Politics ......................................... 35 iv CHAPTER Page Results:Fact-Checking Campaign Events ............................................... 38 Results: Fact-Checking by Partisanship and Status ................................ 39 Results: Types of Communications Being Fact-Checked ...................... 43 Conclusion ................................................................................................ 46 4 FACT-CHECKING NEGATIVE ADS: RESULTS FROM A 2012 SENATE RACE ....................................................................................................... 48 Hypotheses ............................................................................................... 49 Methods .................................................................................................... 54 Results ...................................................................................................... 59 Conclusion and Implications ................................................................... 72 5 FACT-CHECKING A POLITICAL DEBATE: RESULTS FROM A 2013 GUBERNATIORAL ELECTION ........................................................................... 77 Hypotheses ............................................................................................... 79 Methods .................................................................................................... 83 Results ...................................................................................................... 87 Conclusion ................................................................................................ 98 6 FACT-CHECKING NEGATIVE POLITICAL ADVERTISEMENTS:RESULTS FROM A 2014 SENATE ELECTION .................................................................... 101 Hypotheses ............................................................................................. 103 Methods .................................................................................................. 105 Results .................................................................................................... 108 Conclusion .............................................................................................. 118 v CHAPTER Page 7 HOW FACT-CHECKING MATTERS FOR AMERICAN POLITICAL CAMPAIGNS ........................................................................................................... 121 Summary of Findings ............................................................................. 122 A Note to Practioners ............................................................................. 128 A Note to Fact-Checking Organizations ............................................... 129 Future Research ...................................................................................... 130 REFERENCES....... ............................................................................................................. 133 APPENDIX A CHAPTER 1: FIGURES AND TABLES ............................................................. 151 B CHAPTER 2: METHOD AND SAMPLE-RELATED DOCUMENTS ............. 157 C CHAPTER 3: FIGURES AND TABLES ............................................................. 238 D CHAPTER 4: FIGURES AND TABLES ............................................................ 248 E CHAPTER 5: FIGURES AND TABLES ............................................................. 260 F CHAPTER 6: FIGURES AND TABLES ............................................................. 275 vi LIST OF TABLES Table Page 1.1. Summary of Theoretical Expectations ............................................................ 156 2.1. Description of Experiments Used in Dissertation .......................................... 158 3.1. Accuracy of Claimants Advertisements by Claimant Status .......................... 247 4.1. Internet Survey Experiment ............................................................................ 254 4.2. Comparison of Internet Sample with 2010 Census and 2012 Pew Research Center ............................................................................................... 255 4.3. OLS, Effect of Political Characteristis and Experimental Condition on Overall Assessment of the Advertisement .................................................................. 256 4.4. OLS, Effect of Partisanship and Experimental Condition on Overall Assessment of the Advertisement .................................................................. 257 4.5. OLS, Effect of Partisanship and Experimental Condition on Acceptance of Claims in the Negative Advertisement ........................................................... 258 4.6. OLS, Effect of Political Characteristics and Experimental Condition on Acceptance of Claims in the Negative Advertisement ................................... 259 5.1. Comparison of Student Sample with 2010 Census and 2012 ANES ............ 271 5.2. Debate Experiment Conditions ...................................................................... 272 5.3. OLS, Effect of Partisanship and the Fact-Check on Assessments of the Candidates’ Debate Performance ..................................................................... 273 5.4. GLM, Effect of Partisanship and the Fact-Check on Assessments of the Debate Winner .................................................................................................. 274 vii Table Page 5.5. GLM, Effect of Partisanship and the Fact-Check on Respondents’ .. Vote Choice ......................................................................................................