Customer Discovery Interview Guide

Create a comprehensive customer discovery interview guide for validating [Business Idea] targeting [Customer Segment]. Include: 1) Interview philosophy — 'The Mom Test' principles: talk about their life, not your idea; ask about specifics in the past, not hypotheticals about the future; talk less, listen more. 2) Target interview count — minimum 30 interviews across 3-4 customer segments for pattern recognition. 3) Recruitment strategy — where to find interview subjects, outreach templates, incentive structure, scheduling logistics. 4) Interview guide — 15-20 open-ended questions organized by: current workflow and pain points, existing solutions and satisfaction, willingness to pay, decision-making process, urgency of the problem. 5) Red flag questions — signs the problem isn't real: 'That would be nice to have', no current workaround exists, won't commit to a follow-up. 6) Green flag signals — signs you're onto something: they've tried to build a solution, they ask when they can buy it, they offer to introduce you to others with the same problem. 7) Data synthesis — interview summary template, pattern analysis framework, pivot vs persevere decision criteria. 8) Output — customer persona refinement, problem statement validation, willingness-to-pay data, demand signal strength score.