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i-NLP · Ethics & bias in NLP

3 questions · 11 marks · 1 paper

Answer key

Indian Institute of Technology Madras

BS Degree Programme · Examination & Study Paper

Introduction to Natural Language Processing

Ethics & bias in NLP

Official Paper

Examination Instructions & Guidelines

Solve on notebook/paper first before checking solutions.
MCQ: Exactly 1 option is correct. Negative marking applies.
MSQ: One or more options correct. Select all to score.
Scientific calculator allowed for all calculations.
Official answer key is sealed at the end of this sheet.

Q1MCQ3 Marks·Choose one option
Key ↓
Which of the following scenarios represents an ethical concern with LLM deployment?
1. AA summarization model shortening news articles while maintaining factual accuracy.
2. BA question-answering system providing different answers for different demographics when asked about salary negotiations.
3. CA chatbot refusing to generate offensive or harmful content.
4. DA translation model translating medical terms with higher accuracy than general terms.
Q2MSQ4 Marks·Choose all correct options
Key ↓
Which of the following are the examples of unintended bias in an NLP model?
1. AA sentiment analysis model rating all political tweets as "negative".
2. BA chatbot trained specifically for medical consultations failing on legal queries.
3. CA text summarization model producing longer summaries for academic papers.
4. DA machine translation system translating "doctor" to "he" and "nurse" to "she" in a gender-neutral language.
Q3MSQ4 Marks·Choose all correct options
Key ↓
Which of the following factors contribute to bias amplification in NLP models?
1. AReinforcement learning from biased human feedback.
2. BTraining on unbalanced datasets where stereotypes exist.
3. CApplying debiasing techniques such as zeroing out gender-related word embeddings.
4. DUsing a larger model size to improve performance.

Official Key

Master Answer Key & Explanations

Official answer keys from IIT Madras BS past papers. Click any question to review.

Reveal Key

Q1B

Q2A, D

Q3A, B

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