Record what you see and hear during testing — one sheet per user interview.
GDS rule: Don't explain — observe. Use "I noticed / I wonder / What if" to separate facts from interpretations from opportunities. Mom Test reminder: listen for past behaviour, not compliments or promises.
Step 1 — Live Observation (GDS Format)
👁
I noticed…
Facts only — what you saw/heard
🤔
I wonder…
Interpretations — why it happened
💡
What if…
Opportunities — ideas sparked
Step 2 — Mom Test Signals
✅ Good signals (past behaviour, specifics)
⚠️ Weak signals (compliments, vague promises)
🔍 Unexpected things they said or did
❓ Questions they asked us
Step 3 — Assumption Verdict
✅ Confirmed
❌ Refuted
⚠️ Unclear — need more data
Very Weak
Weak
Mixed
Strong
Very Strong
User didn't get itPromising signalClear validation