Collaborative authenticity: how stakeholder-based source effects influence message evaluations in integrated care

Purpose Effective communication of information is central to integrated care systems (ICS), particularly between providers and care-consumers. Drawing on communication theory, this paper aims to investigate whether and why source effects increase positive evaluations of health-related messages among care-consumers. Design/methodology/approach A preliminary online survey (N = 525) establishes the discriminant validity of the measures used in the main experimental study. The main study (N = 116) examines whether identical messages disclosed to be created by different sources (i.e. institutional, care-consumer, collaborative) lead to different message evaluations, and whether source credibility and similarity, and message authenticity, explain this process. Findings In comparison to any other source, messages disclosed to be co-created are evaluated more positively by care-consumers. This effect occurs through a parallel serial mediation carried over by perceptions of source credibility and source similarity (parallel, first serial-level mediators) and message authenticity (second serial-level mediator). Practical implications The findings offer guidelines for leveraging source effects in ICS communication strategies, signaling how collaborative message sources increase the favorableness of health message evaluations. Originality/value This research demonstrates the efficacy of drawing on marketing communication theory to build ICS communication capacity by showing how re-configuring the declared source of informational content can increase positive evaluations of health-related messages. In so doing, this research extends existing literature on message authenticity by demonstrating its key underlying role in affecting message evaluations.