GTM experiment brief
Run a small market test with a hypothesis, quality guardrails, and a decision rule.
Use when debating a new audience, message, channel, or offer without enough evidence for a full rollout.
Before the working session
- Choose one variable to change. Capture the current baseline and how reliable it is.
- Specify the eligible audience and exclusions before picking a channel or creative treatment.
Run the process
Write a falsifiable hypothesis
Use the form: for this audience and trigger, this offer through this channel will produce this observable buyer behavior because of this mechanism.
Design the measurement
Choose one primary result and at least one quality guardrail. Define denominator, attribution window, and data source. Measure effort or cost if scale would change economics.
Bound exposure
Set sample, calendar period, budget, owner, and any holdout or comparison. Check that the test can reach enough eligible people to inform a decision.
Record the decision before launch
Define what would justify scale, what requires a message or channel revision, and what stops the test. Review the data quality before interpreting the result.
Fictional example: A team sends one workflow-specific offer to 60 eligible accounts over four weeks. It measures qualified conversations and disqualifications, with a cap on research time per account. If only meeting volume rises, the offer does not scale.
Failure checks
- Changing audience, offer, and channel at once makes learning weak.
- A click is not a qualified opportunity.
- A short test can miss a long buying cycle; choose a leading signal deliberately.
Working worksheet
EXPERIMENT PRE-REGISTRATION Decision the test informs / owner: Audience and eligibility / exclusion: Single variable changed and current comparison: Hypothesis and mechanism: Primary outcome / numerator / denominator / attribution window: Quality, cost, or customer guardrail: Sample / duration / budget / channel / data source: Instrument check and data-quality owner: Scale if / revise if / stop if / inconclusive if: Result / interpretation / next test / decision date: