Claudia Mellado is a professor of journalism in the School of Journalism at the Pontificia Universidad Católica de Valparaíso (PUCV), Chile, and a Fellow of the International Communication Association. Her research focuses on the study of journalism cultures, journalistic roles, and comparative studies. She is the principal investigator of the Journalistic Role Performance (JRP) Project.Daniel C. Hallin is Distinguished Professor Emeritus at the University of California, San Diego, USA. His books include, The "Uncensored War": The Media and Vietnam; "We Keep America on Top of the World": Television Journalism and the Public Sphere, Comparing Media Systems: Three Models of Media and Politics; and Making Health Public.

• 1. Introduction: Journalistic Role Performance in Times of Change 2. Journalists' Ideological Branding: Bridging Professional and Personal Branding on Twitter 3. Strengthening the Theoretical Foundations of Role Performance Theory 4. How the Social Complements, Extends or Replaces the Professional: Autonomy and Adaptation in Journalist–Source Relationships 5. Navigating Ideals and Realities: On Using Reconstruction Interviews to Study Journalistic Roles 6. A Watchdog That No Longer Barks: Role Performance of Investigative Journalism in China in the Digital Age 7. Catch, Engage, Retain: Audience-Oriented Journalistic Role Performance in Canada 8. Journalistic Role Performance in Australia During the COVID-19 Pandemic: Events, Media Systems and Journalistic Practice 9. Feeding off Each Other: Journalistic Role Negotiations Between Local and Foreign Reporters in Nairobi 10. Between Headlines and Punchlines: Journalistic Role Performance in Western News Satire 11. Interpreting or Reporting? An Analysis of Journalistic Interventionism Across Western European Countries 12. "Whether That's Truly Objective Journalism, Probably Not": Professional Retreatism and Professional Dilemmas When Reporting on Muslims 13. Time-based Variability in the Presence of Infotainment, Service, and Civic Roles in Czech Quality Press 14. Scrutinising Algorithms: Assessing Journalistic Role Performance in Chinese News Media's Coverage of Artificial Intelligence 15. And That's a Fact: A Rhetorical Perspective on the Role of Fact-Checkers 16. Changes in Journalism in Politicised Media Systems: A Study on Newspapers in Poland and Hungary 17. The Context-Dependent Demand for Watchdog Journalism: Dynamics in Audience Expectations for Journalists' Role Performance

Claudia Mellado is a professor of journalism in the School of Journalism at the Pontificia Universidad Católica de Valparaíso (PUCV), Chile, and a Fellow of the International Communication Association. Her research focuses on the study of journalism cultures, journalistic roles, and comparative studies. She is the principal investigator of the Journalistic Role Performance (JRP) Project.Daniel C. Hallin is Distinguished Professor Emeritus at the University of California, San Diego, USA. His books include, The "Uncensored War": The Media and Vietnam; "We Keep America on Top of the World": Television Journalism and the Public Sphere, Comparing Media Systems: Three Models of Media and Politics; and Making Health Public.

• 1. Introduction: Journalistic Role Performance in Times of Change 2. Journalists' Ideological Branding: Bridging Professional and Personal Branding on Twitter 3. Strengthening the Theoretical Foundations of Role Performance Theory 4. How the Social Complements, Extends or Replaces the Professional: Autonomy and Adaptation in Journalist–Source Relationships 5. Navigating Ideals and Realities: On Using Reconstruction Interviews to Study Journalistic Roles 6. A Watchdog That No Longer Barks: Role Performance of Investigative Journalism in China in the Digital Age 7. Catch, Engage, Retain: Audience-Oriented Journalistic Role Performance in Canada 8. Journalistic Role Performance in Australia During the COVID-19 Pandemic: Events, Media Systems and Journalistic Practice 9. Feeding off Each Other: Journalistic Role Negotiations Between Local and Foreign Reporters in Nairobi 10. Between Headlines and Punchlines: Journalistic Role Performance in Western News Satire 11. Interpreting or Reporting? An Analysis of Journalistic Interventionism Across Western European Countries 12. "Whether That's Truly Objective Journalism, Probably Not": Professional Retreatism and Professional Dilemmas When Reporting on Muslims 13. Time-based Variability in the Presence of Infotainment, Service, and Civic Roles in Czech Quality Press 14. Scrutinising Algorithms: Assessing Journalistic Role Performance in Chinese News Media's Coverage of Artificial Intelligence 15. And That's a Fact: A Rhetorical Perspective on the Role of Fact-Checkers 16. Changes in Journalism in Politicised Media Systems: A Study on Newspapers in Poland and Hungary 17. The Context-Dependent Demand for Watchdog Journalism: Dynamics in Audience Expectations for Journalists' Role Performance