BACKGROUND Current literature evidences higher accuracy of immunological (iFOBT) vis-à-vis guaiac-based (gFOBT) fecal occult blood tests for colorectal cancer (CRC) screening. Few well-designed head-to-head comparisons exist. AIM This meta-analysis assesses the performances of two iFOBTs compared with an established gFOBT using colonoscopy as the gold standard. METHODS We mobilized a bivari...

People remember different details about the same events, and when they discuss events they exchange new - and misleading - information. Discussion can change memory, especially when the source of new information is highly credible. But we do not know whether the effects of credibility are based on absolute judgments - judging a source's credibility independently from our own credibility - or re...

In a persuasive communication, not only the message but also the source of the message can influence the persuasibility of the audience. This paper investigates whether displaying a static image of the source can affect the perceived credibility of a message that aims to promote regular exercise. We find a clear influence of the source’s appearance on the source’s credibility and that this effe...

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