Design Metrics for Content Moderation and Chatbot Evaluation

Q: Design Metrics for Content Moderation and Chatbot Evaluation

This question evaluates data science competencies in metric design and experiment methodology, including sensitivity-aware A/B testing, user-centric outcome selection, and offline/online evaluation for content moderation and chatbot knowledge bases within the Analytics & Experimentation domain.

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Analytics & Experimentation questions require understanding of core concepts and practice. PracHub provides solutions with explanations to help you master analytics & experimentation interviews.

Question

Scenario

Trust & Safety data science: You are asked to design metrics for two situations: (1) a content‑moderation A/B test where harmful‑content prevalence is low, and (2) evaluation of a customer‑service chatbot’s knowledge base.

Task

Content moderation A/B test (low prevalence): Which short‑term, user‑centric metrics would you track to detect impact quickly, and why? Describe how you would set up the experiment to ensure sensitivity and guardrails.
Chatbot knowledge base: How would you design an experiment and choose evaluation metrics to measure the quality and usefulness of the chatbot’s knowledge base? Cover both offline and online evaluation, and discuss trade‑offs.

Hints

Consider immediate user actions (e.g., report rates, dismissals, session exits, latency).
For chatbot, consider answer precision/recall, deflection/containment, CSAT, time to resolution.
Discuss experiment design (randomization unit, triggering, guardrails) and trade‑offs.

Design Metrics for Content Moderation and Chatbot Evaluation

Scenario

Task

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Solution

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