Youzhen Su

• Mphil in Communication
• Ph.D. Student at Pennsylvania State University

Media campaigns can create change in their audiences directly via message exposure and indirectly via conversations about the campaign. An experiment (N = 232) exposed regular consumers of sugar-sweetened beverages to either strong or weak messages that advocated reduced consumption, then allowed conversation or did not. There was evidence of direc...

Food safety risk (FSR) is becoming a vital issue for public health, and improving public awareness of FSR through social media is necessary. This study aims to explore specific mechanisms of FSR perception; it first categorizes 19 risk characteristics into two variables, dread and efficacy, and then examines how social media use affects perceived F...

Since its inception, computational social science (CSS) has been characterized as an interdisciplinary field. Nevertheless, unlike a mature interdisciplinary field that duly integrates knowledge beyond disciplinary boundaries, CSS has arguably been fragmented into multiple lines of inquiry. Although such fragmentation has been a constant concern, l...

This meta-analysis integrates 47 empirical studies, comprising 89,826 participants from 21 countries, to examine the cumulative effects and potential moderators of exposure to COVID-19 news and information on attendant emotions, appraisals, and behaviors. Overall media exposure indicated only small positive effect sizes on adverse psychological rea...

To identify the psychosocial determinants of individuals’ intention to engage in collective actions against cancer, we extended and tested the risk perception attitude (RPA) framework at the level of social perceptions. The results of a large online survey of Hong Kong citizens (N = 1,005) revealed that perceived societal risk and perceived collect...

Mental illness is a prevalent and pressing public health problem among the Asian population, especially among young adults. This study examined the psychosocial predictors of the intention to seek counseling based on the theory of planned behavior (TPB) and the effects of mental health conditions on the relative contributions of the TPB predictors...

To examine the nature and content of messages presented in a popular Chinese online community about intimate partner violence (IPV), this study utilized a two-step analytic approach that combined quantitative content analysis and automatic content analysis. We collected 90,040 messages from the online community’s IPV group. Study 1 analyzed 8,343 r...

Background: Although a number of studies have examined social support needs among women with breast cancer, little attention has been paid to the burden and needs for social support among their family caregivers, who often report mental and physical problems associated with caregiving. Objective: This study aims to examine the role of social med...