Pitch perfection : how does pitch affect risk behaviour

Our daily interactions are predominantly influenced by face-to-face and other verbal forms of communication. Individual perceptions of others are often subconsciously influenced by the speech cues such as vocal pitch. We hypothesize that high pitch increases risk aversion and low pitch decreases ris...

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Bibliographic Details
Main Authors: Chua, Gabriel Yong Ping, Liaw, Shao Yi, Er, Hui Jun
Other Authors: He Tai-Sen
Format: Final Year Project
Language:English
Published: Nanyang Technological University 2020
Subjects:
Online Access:https://hdl.handle.net/10356/138591
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Institution: Nanyang Technological University
Language: English
Description
Summary:Our daily interactions are predominantly influenced by face-to-face and other verbal forms of communication. Individual perceptions of others are often subconsciously influenced by the speech cues such as vocal pitch. We hypothesize that high pitch increases risk aversion and low pitch decreases risk aversion. In this study, we have manipulated the voice of a person to investigate the effects of pitch on one’s risk aversion. The experiment is conducted using the Qualtrics, web-based data collection software and 92 participants are randomly allocated into 3 group namely, High Pitch, Low Pitch and Control (unaltered audio). We observe that our hypothesis is indeed true and suggested trustworthiness and boredom as possible mechanisms explaining such behaviour.