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