What caused the sudden 30% decrease in new user registrations on Change.org's mobile app last week?

Introduction

The sudden 30% decrease in new user registrations on Change.org's mobile app last week is a critical issue that demands immediate attention. As we analyze this product problem, we'll follow a systematic framework to identify, validate, and address the root cause while considering both immediate and long-term implications.

Our approach will involve a thorough examination of internal and external factors, data analysis, hypothesis generation, and validation. We'll then develop a comprehensive plan to resolve the issue and prevent similar occurrences in the future.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking this could be related to a recent app update. Has there been any significant changes or updates to the mobile app in the past week or two?

Why it matters: Recent changes could directly impact user registration flows. Expected answer: Yes, there was an update released last week. Impact on approach: If confirmed, we'd focus on analyzing the changes in that update.

• Considering user segments, I'm wondering if this decrease is uniform across all user groups. Are we seeing this 30% drop consistently across different demographics or user types?

Why it matters: Helps identify if the issue is global or specific to certain user segments. Expected answer: The decrease varies across segments, with younger users more affected. Impact on approach: We'd prioritize investigating factors specifically impacting the most affected segments.

• Given the nature of Change.org, I'm curious about any major social or political events that coincided with this drop. Have there been any significant global events that might have influenced user behavior?

Why it matters: External events can significantly impact user engagement with platforms like Change.org. Expected answer: No major global events, but there was a trending social media campaign. Impact on approach: We'd explore how this campaign might have affected our user acquisition channels.

• Thinking about our acquisition funnel, I'm wondering about our marketing efforts. Have there been any changes in our user acquisition strategies or spending in the past week?

Why it matters: Changes in marketing can directly impact new user registrations. Expected answer: Marketing spend and strategies remained consistent. Impact on approach: We'd shift focus to other factors if marketing efforts haven't changed.