Diagnose a drop in NPS
Last updated: January 8, 2026
Quick Overview
The activation rate dropped by 15% this week. Walk through your investigation process.
Redfin
January 8, 2026457
10
2,841 solved
The activation rate dropped by 15% this week. Walk through your investigation process.
Product questions at Redfin test your ability to think like a product leader. This Phone Screen question evaluates how you balance user needs, business goals, and technical constraints when making product decisions.
What the Interviewer Expects
- Apply a structured framework for product thinking (user, problem, solution, metrics)
- Segment users and identify differentiated needs
- Prioritize features using a clear framework (RICE, ICE, impact vs effort)
- Define comprehensive success metrics across the user funnel
- Consider competitive dynamics and market positioning
Key Topics to Cover
How to Approach This
- Start with the user. Who are they, what problem do they have, and what is their current workaround?
- Use a prioritization framework: impact vs effort, RICE scoring, or ICE scoring.
- Define success metrics using the AARRR framework: Acquisition, Activation, Retention, Revenue, Referral.
- Consider second-order effects. A feature might boost short-term engagement but hurt long-term retention.
Possible Follow-up Questions
- How would you decide to kill this feature if it's not working?
- What would you do if usage data contradicts user feedback?
- How would you handle pushback from engineering on feasibility?
- What competitive response would you expect and how would you prepare?
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Problem Framing
To address the drop in NPS and activation rate, we need to clearly define the scope of our investigation. First, we should segment the users based on their journey with Redfin: new users vs. returning...
User & Market Context
Our primary users are home buyers and sellers who rely on Redfin for accurate real estate listings and seamless transactions. What matters most to them is a user-friendly experience, timely informatio...
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