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This study examines how news features (framing and the use of exemplars) can help overcome two common barriers (psychological and cognitive) impeding Black American participation in clinical trials. In an online experiment, Black participants (N = 390) viewed social media news posts varying in framing (focus on psychological vs. cognitive barriers) and use of an exemplar (present vs. absent and White vs. Black) and then responded to outcome measures including perceived message effectiveness, message attitudes, and intention to participate in clinical trials. The findings illustrate that including a racially matched (i.e. Black) exemplar improves attitudes toward clinical trial messages. Most notably, featuring a race-matched exemplar increases intention to participate in a trial when the messages discuss psychological barriers. These findings enhance our understanding of how messages can be better designed to increase Black American participation in clinical trials, thereby contributing to reducing health inequities and improving health outcomes. [ABSTRACT FROM AUTHOR]

This study examined how psychological distance, both social and temporal, can be leveraged in prosocial health behavior messages to mitigate perceived psychological reactance. Following the construal level and psychological reactance theories, we conducted a 2 × 2 between-subjects factorial design (N = 245), which manipulated naturalistic messages regarding a prosocial communications campaign. Structural equation modeling showed that far temporal distance combined with far social distance could significantly reduce threat to freedom and therefore positively affect attitudes and behavioral intentions toward prosocial health topics. The effect of social distance was found not significant, differing from past findings. Further, intertwined and parallel psychological reactance models were tested and discussed. We suggest the need for more psychological reactance research, particularly examining prosocial health behavior. Strategies for practical persuasion strategies in prosocial messages are proposed. [ABSTRACT FROM AUTHOR]

This study examined whether framing, exemplar presence and exemplar race in social media news posts influence rural White men's perceptions, attitudes and behavioral intentions toward clinical trial participation, and if so, how individual trust in doctors moderates the effects of these three factors. An experiment with a 2 within (framing: cognitive versus psychological barriers) × 2 within (exemplar: present versus absent) × 2 between (exemplar race: White versus Black) subjects mixed factorial design was conducted among rural White men (N  = 208). Twelve social media news posts about clinical trial participation were created for the experiment. Results revealed that respondents had greater behavioral intentions to participate in clinical trials after seeing posts with exemplars present (versus absent). When news posts addressed cognitive barriers (e.g. lacking knowledge about the value of clinical trials), the presence of exemplars enhanced perceived self-efficacy to participate in clinical trials. Participants with lower trust in doctors reported more favorable attitudes to posts with exemplars, and the posts with Black exemplars were perceived as more effective (approaching statistical significance). When communicating about clinical trials to rural White men, health professionals should consider including exemplars and addressing cognitive barriers to participation. [ABSTRACT FROM AUTHOR]