“…In fact, many studies in phonetics and social psychology have yielded a significant relationship between the mental representations one forms of another person and the voice of that person (Brooke & Hung Ng, 1986;Pittam & Gallois, 1987;Ekman, 1988;Ruscello, et al, 1988). According to this literature, voice provides information related to the demographic psychographic characteristics of the source such as sex, age, social status (Van Dommelen, 1987;Henton, 1989), social identity (Laver, 1968;Traunmiiller, 1984;Pittam, 1987aPittam, , 1987b, personality (Laver, 1968;Redfield & Friedrich, 1978;Long, 1988;Berger & Kellerman, 1989), emotion (Arnold, 1961;Knapp, 1963;Williams & Stevens, 1972;Andreansen, 198 1;Haberstadt, 1983), attitude (Williams & Stevens, 1972;Pittam & Gallois, 1987;Scherer, 1988), and credibility (GClinas-Chebat & Chebat, 1992. Wilson and Sherrell (1993) carried out a meta-analysis of 114 studies related to source credibility that show the effect oral media have on source credibility perception.…”