Why has the average completion time for UserZoom's tree testing studies increased by 25% since the latest software update?

Introduction

The recent 25% increase in average completion time for UserZoom's tree testing studies is a concerning trend that requires immediate attention. As we delve into this issue, we'll systematically analyze potential root causes, generate data-driven hypotheses, and develop a comprehensive plan to address and resolve the problem. Our approach will balance short-term fixes with long-term strategic improvements to ensure the continued success of UserZoom's tree testing feature.

Step 1

Clarifying Questions (3 minutes)

• Looking at the timing, I'm thinking this might be related to the latest software update. Can you confirm when exactly this update was released and what changes it included?

Why it matters: Pinpointing the timing helps establish a clear cause-effect relationship. Expected answer: The update was released X weeks ago and included Y changes. Impact on approach: If the timing aligns, we'll focus on update-related issues; if not, we'll broaden our investigation.

• I'm curious about the user segments affected. Are we seeing this increase across all user types, or is it more pronounced in specific segments?

Why it matters: Identifying affected segments can help narrow down potential causes. Expected answer: The increase is more significant among [specific user segment]. Impact on approach: We'll tailor our investigation and solutions to the most affected segments.

• Considering the nature of tree testing, I'm wondering if there have been any changes to the complexity or structure of the trees being tested?

Why it matters: Changes in test content could directly impact completion times. Expected answer: There have/haven't been significant changes to tree structures. Impact on approach: If changes occurred, we'll examine their impact; if not, we'll look at other factors.

• Has there been any shift in the devices or browsers users are predominantly using for these studies?

Why it matters: Technical compatibility issues could explain increased completion times. Expected answer: We've noticed a shift towards [specific devices/browsers]. Impact on approach: If there's a shift, we'll investigate potential compatibility issues; if not, we'll focus elsewhere.