How Different Is Stereotypical Bias Across Languages?

• URL: http://arxiv.org/abs/2307.07331v1
• Date: Fri, 14 Jul 2023 13:17:11 GMT
• Title: How Different Is Stereotypical Bias Across Languages?
• Authors: Ibrahim Tolga \"Ozt\"urk and Rostislav Nedelchev and Christian Heumann and Esteban Garces Arias and Marius Roger and Bernd Bischl and Matthias A{\ss}enmacher
• Abstract summary: Recent studies have demonstrated how to assess the stereotypical bias in pre-trained English language models. We make use of the English StereoSet data set (Nadeem et al., 2021), which we semi-automatically translate into German, French, Spanish, and Turkish. The main takeaways from our analysis are that mGPT-2 shows surprising anti-stereotypical behavior across languages, English (monolingual) models exhibit the strongest bias, and the stereotypes reflected in the data set are least present in Turkish models.
• Score: 1.0467550794914122
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent studies have demonstrated how to assess the stereotypical bias in pre-trained English language models. In this work, we extend this branch of research in multiple different dimensions by systematically investigating (a) mono- and multilingual models of (b) different underlying architectures with respect to their bias in (c) multiple different languages. To that end, we make use of the English StereoSet data set (Nadeem et al., 2021), which we semi-automatically translate into German, French, Spanish, and Turkish. We find that it is of major importance to conduct this type of analysis in a multilingual setting, as our experiments show a much more nuanced picture as well as notable differences from the English-only analysis. The main takeaways from our analysis are that mGPT-2 (partly) shows surprising anti-stereotypical behavior across languages, English (monolingual) models exhibit the strongest bias, and the stereotypes reflected in the data set are least present in Turkish models. Finally, we release our codebase alongside the translated data sets and practical guidelines for the semi-automatic translation to encourage a further extension of our work to other languages.

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