Journal of Nonverbal Behavior

, Volume 15, Issue 2, pp 99–105 | Cite as

Vocal signs of confidence

  • Charles E. Kimble
  • Steven D. Seidel

Abstract

This study examined whether two paralinguistic variables, vocal loudness and response latency, were associated with confidence in answers to trivia questions. Audience presence and size were manipulated and subjects' assertiveness was measured. Subjects verbally responded to trivia questions by indicating their choice and how confident they were in each answer. Tapes of these responses were later analyzed for latency of response and loudness of speech. As expected, the more confident individuals were in their answers, the faster and louder they responded. Assertive subjects spoke louder. The presence of an audience had no effects on vocal responding. Apparently, the confidence of a speaker can be inferred from the speed and loudness of the speaker's responses.

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Copyright information

© Human Sciences Press, Inc. 1991

Authors and Affiliations

  • Charles E. Kimble
    • 2
  • Steven D. Seidel
    • 1
  1. 1.Miami UniversityUSA
  2. 2.Department of PsychologyUniversity of DaytonDayton

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