Does message framing predict willingness to participate in a hypothetical HIV vaccine trial: an application of Prospect Theory.
作者： Michael Evangeli , Zuhayr Kafaar , Ashraf Kagee , Leslie Swartz , Philippa Bullemor-Day
DOI: 10.1080/09540121.2012.748163
关键词: Prospect theory 、 Message framing 、 Hiv vaccine trial 、 Clinical trial 、 Certainty 、 Human immunodeficiency virus (HIV) 、 Social psychology 、 Medicine 、 Outcome (game theory) 、 Test (assessment)
摘要: It is vital that enough participants are willing to participate in clinical trials test HIV vaccines adequately. is, therefore, necessary explore what affects peoples’ willingness (WTP) such trials. Studies have only examined individual factors associated with WTP and not the effect of messages about trial participation on potential (e.g., whether losses or gains emphasized, outcome certain uncertain). This study explores effects message framing a hypothetical vaccine consistent Prospect Theory. theory suggests people fundamentally risk averse (1) under conditions low high certainty, gain-framed will be influential (2) loss-framed influential. cross-sectional recruited 283 HIV-negative students from South African university who were given questionnaire contained matched ...
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