Decoding the language of first impressions : comparing models of first impressions of faces derived from free‐text descriptions and trait ratings

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Jones, Alex L. and Shiramizu, Victor and Jones, Benedict C. (2024) Decoding the language of first impressions : comparing models of first impressions of faces derived from free‐text descriptions and trait ratings. British Journal of Psychology. ISSN 0007-1269 (https://doi.org/10.1111/bjop.12717)

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Abstract

First impressions formed from facial appearance predict important social outcomes. Existing models of these impressions indicate they are underpinned by dimensions of Valence and Dominance, and are typically derived by applying data reduction methods to explicit ratings of faces for a range of traits. However, this approach is potentially problematic because the trait ratings may not fully capture the dimensions on which people spontaneously assess faces. Here, we used natural language processing to extract ‘topics’ directly from participants' free‐text descriptions (i.e., their first impressions) of 2222 face images. Two topics emerged, reflecting first impressions related to positive emotional valence and warmth (Topic 1) and negative emotional valence and potential threat (Topic 2). Next, we investigated how these topics were related to Valence and Dominance components derived from explicit trait ratings. Collectively, these components explained only ~44% of the variance in the topics extracted from free‐text descriptions and suggested that first impressions are underpinned by correlated valence dimensions that subsume the content of existing trait‐rating‐based models. Natural language offers a promising new avenue for understanding social cognition, and future work can examine the predictive utility of natural language and traditional data‐driven models for impressions in varying social contexts.

ORCID iDs

Jones, Alex L., Shiramizu, Victor and Jones, Benedict C. ORCID logoORCID: https://orcid.org/0000-0001-7777-0220;
CORE (COnnecting REpositories)