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Product Management Root Cause Analysis Question: Investigating e-commerce recommendation system performance decline

Why has the click-through rate for product recommendations on Xineoh's e-commerce platform dropped by 15% in the past week?

Data Analysis Problem Solving Technical Understanding E-commerce AI/ML Retail
E-Commerce Data Analysis Root Cause Analysis Recommendation Systems User Behavior

Introduction

The recent 15% drop in click-through rate for product recommendations on Xineoh's e-commerce platform is a concerning trend that requires immediate attention. To address this issue, I'll employ a systematic approach to identify, validate, and resolve the root cause while considering both short-term fixes and long-term strategic implications.

Framework overview

This analysis follows a structured approach covering issue identification, hypothesis generation, validation, and solution development.

Step 1

Clarifying Questions (3 minutes)

  • Looking at the timing, I'm thinking there might be a recent change in the recommendation algorithm. Has there been any update to the recommendation system in the past week?

Why it matters: Algorithm changes can significantly impact recommendation relevance. Expected answer: Yes, there was a minor update. Impact on approach: If confirmed, we'd focus on algorithm-related hypotheses.

  • Considering user segments, I'm curious about the distribution of this drop. Is the 15% decrease uniform across all user groups, or are certain segments more affected?

Why it matters: Helps identify if the issue is global or specific to certain user types. Expected answer: The drop is more pronounced in new users. Impact on approach: We'd investigate factors specifically affecting new user experience.

  • Thinking about the metric itself, I'm wondering if there have been any changes in how click-through rate is measured. Can you confirm the definition and measurement process has remained consistent?

Why it matters: Ensures we're comparing apples to apples in our analysis. Expected answer: No changes in measurement. Impact on approach: If changed, we'd need to recalibrate our understanding of the metric.

  • Considering external factors, I'm curious about any recent marketing campaigns or promotions. Have there been any significant changes in marketing strategies or ongoing promotions?

Why it matters: External factors can influence user behavior and skew metrics. Expected answer: No major changes in marketing. Impact on approach: If there were changes, we'd need to factor in their potential impact.

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