Diagnose a drop in NPS
Last updated: April 5, 2026
Quick Overview
The engagement dropped by 15% this week. Walk through your investigation process.
Mastercard
April 5, 20268
5
4,534 solved
The engagement dropped by 15% this week. Walk through your investigation process.
This product question from Mastercard's Onsite goes beyond feature brainstorming. The interviewer expects a framework-driven approach that considers market dynamics, user segmentation, and data-informed decision making.
What the Interviewer Expects
- Demonstrate strategic product thinking beyond feature-level decisions
- Analyze second-order effects and long-term ecosystem impact
- Balance multiple stakeholder needs with clear trade-off rationale
- Design experiments to validate key assumptions before building
- Consider platform effects, network effects, and marketplace dynamics
- Propose a phased rollout strategy with go/no-go criteria
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
- What would you do if usage data contradicts user feedback?
- How would you decide to kill this feature if it's not working?
- How would you handle pushback from engineering on feasibility?
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Browse Product QuestionsSample Answer
Problem Framing
To diagnose the 15% drop in NPS for Mastercard, we first need to scope the problem effectively. This involves breaking down the engagement metrics to understand which specific features or services con...
User & Market Context
Our primary users are consumers who use Mastercard for everyday transactions, as well as merchants who accept Mastercard. What matters most to these users includes transaction reliability, security, r...
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