An Empirical Survey of the Effectiveness of Debiasing Techniques for Pre-trained Language Models
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Abstract (arXiv)
Recent work has shown pre-trained language models capture social biases from the large amounts of text they are trained on. This has attracted attention to developing techniques that mitigate such biases. In this work, we perform an empirical survey of five recently proposed bias mitigation techniques: Counterfactual Data Augmentation (CDA), Dropout, Iterative Nullspace Projection, Self-Debias, and SentenceDebias. We quantify the effectiveness of each technique using three intrinsic bias benchmarks while also measuring the impact of these techniques on a model's language modeling ability, as well as its performance on downstream NLU tasks. We experimentally find that: (1) Self-Debias is the strongest debiasing technique, obtaining improved scores on all bias benchmarks; (2) Current debiasing techniques perform less consistently when mitigating non-gender biases; And (3) improvements on bias benchmarks such as StereoSet and CrowS-Pairs by using debiasing strategies are often accompanied by a decrease in language modeling ability, making it difficult to determine whether the bias mitigation was effective.
Key facts. Cited by 97 papers in the map (data through 14 Oct 2026). Builds on 32 of its 48 references that are in the map. First posted on arXiv 16 Oct 2021.
Builds on
32 of 48 references.
References · 32
- 2018BERT: Pre-training of Deep Bidirectional Transformers for Language Understandingcited by 40,399
- 2020Language Models are Few-Shot Learnerscited by 32,419
- 2018GLUE: A Multi-Task Benchmark and Analysis Platform for Natural Language Understandingcited by 4,899
- 2016Pointer Sentinel Mixture Modelscited by 3,096
- 2018Deep contextualized word representationscited by 2,290
- 2016Man is to Computer Programmer as Woman is to Homemaker? Debiasing Word Embeddingscited by 1,312
- 2019How Can We Know What Language Models Know?cited by 959
- 2020Language (Technology) is Power: A Critical Survey of "Bias" in NLPcited by 956
- 2020StereoSet: Measuring stereotypical bias in pretrained language modelscited by 924
- 2016Semantics derived automatically from language corpora contain human-like biasescited by 901
- 2020CrowS-Pairs: A Challenge Dataset for Measuring Social Biases in Masked Language Modelscited by 710
- 2018Gender Bias in Coreference Resolution: Evaluation and Debiasing Methodscited by 659
20 more
- 2021Datasets: A Community Library for Natural Language Processingcited by 530
- 2020Null It Out: Guarding Protected Attributes by Iterative Nullspace Projectioncited by 455
- 2019On Measuring Social Biases in Sentence Encoderscited by 398
- 2021Self-Diagnosis and Self-Debiasing: A Proposal for Reducing Corpus-Based Bias in NLPcited by 337
- 2020Calibration of Pre-trained Transformerscited by 315
- 2021Towards Understanding and Mitigating Social Biases in Language Modelscited by 296
- 2019Measuring Bias in Contextualized Word Representationscited by 276
- 2020Measuring and Reducing Gendered Correlations in Pre-trained Modelscited by 224
- 2019Counterfactual Data Augmentation for Mitigating Gender Stereotypes in Languages with Rich Morphologycited by 200
- 2019BERT has a Mouth, and It Must Speak: BERT as a Markov Random Field Language Modelcited by 185
- 2020Towards Debiasing Sentence Representationscited by 171
- 2019Queens are Powerful too: Mitigating Gender Bias in Dialogue Generationcited by 152
- 2021RedditBias: A Real-World Resource for Bias Evaluation and Debiasing of Conversational Language Modelscited by 149
- 2019Black is to Criminal as Caucasian is to Police: Detecting and Removing Multiclass Bias in Word Embeddingscited by 147
- 2021Debiasing Pre-trained Contextualised Embeddingscited by 107
- 2021Sustainable Modular Debiasing of Language Modelscited by 100
- 2020Multi-Dimensional Gender Bias Classificationcited by 80
- 2021FairFil: Contrastive Neural Debiasing Method for Pretrained Text Encoderscited by 75
- 2019Examining Gender Bias in Languages with Grammatical Gendercited by 40
- 2021How Reliable are Model Diagnostics?cited by 13
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Citing papers per year: 2022: 22; 2023: 37; 2024: 22; 2025: 6; 2026: 10.
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