“…Facing this patchy universe, Metzger et al (2003) concluded ''Disagreements about the relative importance of the dimensions of source credibility led to the construction of various scales to measure this concept, each reflecting the priority of dimensions identified by particular researchers'' (p. 298). However, in a comprehensive review of the existing source credibility measures, we found-fully in line with Hovland and colleaguestrustworthiness (Bowers & Phillips, 1967;Lee, 1978;Markham, 1968;Mosier & Ahlgren, 1981;Ohanian, 1990;Salwen 1987;Singletary, 1976;Tuppen, 1974;VandenBergh, Soley, & Reid, 1981;White, 1990;Whitehead, 1968) and expertise (Lee, 1978;Markham, 1968;Newel & Goldsmith, 2001;Ohanian, 1990;Salwen, 1987;Simpson & Kahler, 1980;Tuppen, 1974) to form the central components of credibility.…”