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Acoustic correlates of female confidence: A production and comprehension study.

In the current study, an interactive approach is used to explore possible contributors to the misattributions listeners make about female talker expression of confidence. To do this, the expression and identification of confidence was evaluated through the evaluation of talker- (e.g., talker knowledge and affective acoustic modulation) and listener-specific factors (e.g., interaction between talker acoustic cues and listener knowledge). Talker and listener contexts were manipulated by implementing a social constraint for talkers and withholding information from listeners. Results indicated that listeners were sensitive to acoustic information produced by the female talkers in this study. However, when world knowledge and acoustics competed, judgments of talker confidence by listeners were less accurate. In fact, acoustic cues to female talker confidence were more accurately used by listeners as a cue to perceived confidence when relevant world knowledge was missing. By targeting speech dynamics between female talkers and both female and male listeners, the current study provides a better understanding of how confidence is realized acoustically and, perhaps more importantly, how those cues may be interpreted/misinterpreted by listeners.