Voice and Persuasion in a Banking Telemarketing Context

Voice has been neglected in research on advertising and persuasion. The present study examined the influence of voice and sex on the credibility of the voice source in a banking telemarketing context as well as with regards to the attitude toward the advertisement, and subjects' behavioral intention. An experiment using voices of a man and a woman was conducted. A recorded mock-telemarketing message consisted of an advertisement for an ATM card offered by a Canadian bank. Subjects were undergraduate students (N = 399; 71.6% women, 28.4% men; Mage = 26.5 yr., SD = 7.4). They completed a questionnaire after hearing the message in telemarketing conditions. Analysis indicated a moderate intensity, an unmarked intonation, and a fast speech rate are associated with a more credible source than the other combinations. Sex was not a significant moderator in the relationship between voice characteristics and source credibility. Voice characteristics significantly affected attitudes toward the advertisement and behavioral intention.

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