ValNorm Quantifies Semantics to Reveal Consistent Valence Biases Across Languages and Over Centuries

• URL: http://arxiv.org/abs/2006.03950v5
• Date: Mon, 8 Nov 2021 03:47:44 GMT
• Title: ValNorm Quantifies Semantics to Reveal Consistent Valence Biases Across Languages and Over Centuries
• Authors: Autumn Toney-Wails and Aylin Caliskan
• Abstract summary: Word embeddings learn implicit biases from linguistic regularities captured by word co-occurrence statistics. By extending methods that quantify human-like biases in word embeddings, we introduceValNorm, a novel intrinsic evaluation task. We apply ValNorm on static word embeddings from seven languages and historical English text spanning 200 years.
• Score: 3.0349733976070015
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Word embeddings learn implicit biases from linguistic regularities captured by word co-occurrence statistics. By extending methods that quantify human-like biases in word embeddings, we introduceValNorm, a novel intrinsic evaluation task and method to quantify the valence dimension of affect in human-rated word sets from social psychology. We apply ValNorm on static word embeddings from seven languages (Chinese, English, German, Polish, Portuguese, Spanish, and Turkish) and from historical English text spanning 200 years. ValNorm achieves consistently high accuracy in quantifying the valence of non-discriminatory, non-social group word sets. Specifically, ValNorm achieves a Pearson correlation of r=0.88 for human judgment scores of valence for 399 words collected to establish pleasantness norms in English. In contrast, we measure gender stereotypes using the same set of word embeddings and find that social biases vary across languages. Our results indicate that valence associations of non-discriminatory, non-social group words represent widely-shared associations, in seven languages and over 200 years.

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