nw-pdr-review-criterialisted

# Review Criteria -- Product Discovery Review ## Evidence Quality Validation ### Past Behavior Indicators (Good) "Tell me about the last time..." | "When did you last..." | "What happened when..." | "Walk me through how you..." | "What did you try..." | "How much have you spent on..." Specific dates, dollar amounts, named tools, concrete examples, emotional frustration language ### Future Intent Red Flags (Reject) "Would you use/pay/like..." | "Do you think..." | "Imagine if..." | "What if we..." Flag and reject if >20% of evidence is future-intent. ### Validation Thresholds - Past behavior ratio: >80% (reject if fail, require re-interview) - Specific examples: min 3 concrete per finding (warn if fail) - Customer language: quotes in customer words, not paraphrased (warn if fail) ## Sample Size Minimums | Phase | Minimum | High Confidence | Notes | |-------|---------|-----------------|-------| | 1: Problem | 5 | 10 | Interviews required | | 2: Opportunity | 10 | 20 | Quantitative supplements, not replaces | | 3: Solution | 5 per iteration | 3 iterations max | Before decision | | 4: Viability | 5 | -- | Stakeholder review required | Pivot decision rule: min 5 consistent signals. Block decisions on fewer. ## Decision Gate Criteria ### G1: Problem to Opportunity Proceed: 5+ confirm pain + willingness to pay | Pivot: differs from expected | Kill: <20% confirm Checks: 5+ interviews, >60% confirmation, customer words, 3+ examples ### G2: Opportunity to Solution Proceed: to