Pre-Read: Assumption Quality Card
Good assumptions
Describe buyer behavior, not internal intent
Show up in live GTM execution
Can be contradicted by early signals
Would force a decision if proven wrong
Bad assumptions
Restate the plan (“We’re targeting mid-market”)
Beliefs are vague (“Buyers care about value”)
Only show up in dashboards
Can fail without changing behavior
NOTE: If an assumption feels “safe,” it’s probably useless.
Session Setup (Set Once)
Cadence: ☐ Weekly ☐ Bi-weekly ☐ Monthly
Duration: ☐ 30 min ☐ 45 min
Owner: (role / name)
Decision authority present: ☐ Yes ☐ No
NOTE: If “No”, do not run the session.
Active Assumptions (Max 3)
Only assumptions that currently shape GTM behavior.
Assumption (state as a claim) | Where it shows up
A3: (e.g., “Mid-market buyers enter with problem awareness”) | (e.g., "Homepage headline, outbound opener")
A2:
A3:
Signals Observed (This Period)
Leading signals only.
ID: A1
Signal Observed: (e.g., "Buyers ask basic “why does this matter?” questions")
Source: (e.g., "Sales discovery calls")
Signal Status: ☐ Confirms ☑ Contradicts ☐ Unclear
Drift Check
Loss of clarity, not performance.
Assumption ID | Drift type
A1 | ☑ Confusion ☐ Friction ☐ Delay ☐ Resistance
A2 | ☐ Confusion ☐ Friction ☐ Delay ☐ Resistance
Related template: Drift Detection - Early-warning system for GTM decay (The Buyer Flywheel | Notion)
Decision (Once Only)
One decision. No bundling.
Decision category:
(Examples: Change message)
________________________________
Concrete change:
(Example: Replace homepage and outbound opener to lead with problem framing instead of solution claims)
________________________________Assumption addressed:
(Ex: A1) ________________________________
Reversibility:
☐ Easy
☐ Moderate
☐ Hard
Validation Signal
How this decision will be proven right or wrong.
Primary signal:
(Example: Reduction in “what is this / why do I need it?” questions in first sales calls)
Where it appears:
(Example: Sales call notes, call recordings)
Review date:
(Example: Next cadence)
Session Output
(Logged Each Time)
Assumption tested: (Example: Buyers enter problem-aware)
______________________________________________________Decision made: (Example: Shift message to problem framing)
______________________________________________________Signal to watch: (Example: Discovery confusion rate)
______________________________________________________
System Integrity Check (Monthly)
Answer Yes / No only.
Assumptions explicitly named? ___
Decisions made in ≥3 of last 4 sessions? ___
Signals leading (pre-revenue)? ___
Fewer surprises than last month? ___
NOTE: 2+ “No” = cadence failure. Investigate, don’t optimize.
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Notion template
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