What caused the sudden 30% decrease in new user sign-ups for Tubi's mobile app last week?

Introduction

The sudden 30% decrease in new user sign-ups for Tubi's mobile app last week is a critical issue that demands immediate attention. This analysis will systematically identify, validate, and address the root cause while considering both short-term and long-term implications for Tubi's user acquisition strategy.

I'll approach this problem by first clarifying key details, ruling out external factors, and then diving deep into the product, user journey, and metrics. From there, I'll generate data-driven hypotheses, conduct root cause analysis, and propose validation methods and next steps.

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 to the app in the past two weeks?"

Why it matters: Recent changes could directly impact user sign-ups. Expected answer: Yes, there was an update. Impact on approach: If yes, we'll focus on changes in that update.

"I'm curious about the user segments affected. Are we seeing this decrease across all demographics, or is it concentrated in specific groups?"

Why it matters: Helps narrow down potential causes. Expected answer: The decrease is more pronounced in younger users. Impact on approach: We'd investigate factors specifically affecting younger demographics.

"Considering potential technical issues, have there been any reported problems with app store listings or the sign-up process itself?"

Why it matters: Technical glitches could be blocking new sign-ups. Expected answer: No major technical issues reported. Impact on approach: If no issues, we'd focus more on user experience and marketing factors.

"I'm wondering about external market factors. Have there been any significant changes in the streaming landscape, like a major competitor launch?"

Why it matters: External events could influence user behavior. Expected answer: No major market disruptions. Impact on approach: If no external factors, we'd focus more on internal issues.