Discovery Interview Prep vs North Star Metric Framework

Discovery Interview Prep

By Dean Peters (PM)

Plan customer interviews that uncover real problems instead of confirming your assumptions.

North Star Metric Framework

By Product Management Skills by Pawel Huryn

Define the single most important metric that reflects customer value and drives growth.

Discovery Interview Prep

• Asks adaptive questions about your research goals, target customers, and constraints
• Recommends the right interview methodology based on your product stage and what you need to learn
• Generates a tailored question framework with bias warnings and success criteria
• Helps you avoid leading questions and confirmation bias during customer interviews
• Outputs a ready-to-use interview guide for qualitative customer research

North Star Metric Framework

• Classifies your business into one of three types: Attention, Transaction, or Productivity
• Identifies a single North Star Metric that reflects customer value and predicts revenue
• Validates your metric against 7 criteria for effectiveness (understandable, customer-centric, actionable, etc.)
• Suggests 3-5 input metrics that directly influence your North Star and show where to focus efforts
• Explains why your North Star isn't just revenue or an OKR, but a leading indicator of success

Reach for Discovery Interview Prep when…

• You're validating a new product idea and need to confirm the problem is real
• You're investigating why customers are churning or not activating on key features
• You need to prepare for customer development interviews but aren't sure where to start
• You want to understand what jobs customers are trying to get done before building features

Reach for North Star Metric Framework when…

• You're setting up a metrics framework and need to know what to measure
• You're launching a product and want to pick the one metric that matters most
• You're evaluating whether your current key metric is actually driving growth
• You need to align your team around a single, customer-focused success indicator