News

Dr. Jingwen Zhang Honored with Prestigious Lingnan Award for Excellence in Health Informatics

We are proud to announce that Dr. Jingwen Zhang was the inaugural recipient of the Annual Lingnan Award for Excellence in Health Informatics. This distinguished honor was presented by CITRIS Health, a division of CITRIS and the Banatao Institute at the University of California, in partnership with the First Affiliated Hospital at Sun Yat-sen University, China. Dr.

New Publication in DIGITAL HEALTH

Abstract: 
Objective
This study presents a pilot randomized controlled trial to assess the usability, feasibility, and initial efficacy of a mobile app-based relational artificial intelligence (AI) chatbot (Exerbot) intervention for increasing physical activity behavior.

New Publication in Journal of Health Communication

Abstract: The perception of reality could matter more than reality itself when it comes to disease outbreaks. News media are important sources of information during global disease outbreaks, such as the COVID-19 pandemic. Drawing on theories of fear appeals and the social ecological model, we conducted multilevel modeling analyses to examine how media-level and community-level factors influenced the public’s risk perceptions of COVID-19 and frequencies of preventive behaviors in the United States, United Kingdom, Canada, Australia, and India.

New Publication in Social Media + Society.

Abstract: Emotionality is a well-established strategy for boosting audience engagement on social media. While fact-checking is positioned to provide objective information, fact-checking posts on social media often involve heightened emotionality. How much emotionality is present and how emotionality influences audience engagement and public sentiment toward fact-checked targets remain largely understudied.

CHATR Lab is Looking for Research Assistants

Are you eager to contribute to groundbreaking research with the CHATR Lab? We welcome applicants from all backgrounds—whether you're an advanced computer programmer, statistician, communication scholar, or just beginning your research journey, we have opportunities for you to grow and learn. This is a fantastic chance to engage in cross-disciplinary research and enhance your resume.

New publication in Human Communication Research.

Abstract: Fact-checking labels have been widely accepted as an effective misinformation correction method. However, there is limited theoretical understanding of fact-checking labels’ impact. This study theorizes that language intensity influences fact-checking label processing and tests this idea through a multi-method design. We first rely on a large-scale observational dataset of fact-checking labels from 7 U.S.