Author ORCID Identifier

https://orcid.org/0009-0000-5464-8863

Date of Award

Spring 5-28-2024

Document Type

Thesis (Undergraduate)

Department

Cognitive Science

First Advisor

Mark Thornton

Second Advisor

Amisha Vyas

Abstract

Is there dimensionality in how people form impressions of speakers? The first portion of the study generated trait terms via text survey responses to recordings from the Emotional Speech Database (ESD). Following the analysis of this initial data, a second survey invited subjects to rate the speaker on a specific trait for each of many ESD recordings. The trait terms were selected from the text responses from the first survey that were most strongly correlated via a mixed-effects model with the speaker of each recording rather than the emotion or sentence. Following an exploratory factor analysis of the trait ratings responses in the second survey, a single dimension (“factor x”) was identified. Factor x can be roughly related to concepts of valence, arousal, and sociality. Findings from this study are compatible with general trait impression research findings in the field and support a generally dimensional framework of trait impressions across modalities.

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