Design hypothesis validation brief
Choose proportionate evidence for a design hypothesis and the decision it must inform.
Product features · 45 min · Standard · 15 questions
Hypothesis
Which design decision are we testing?
What credible alternative are we comparing it with?
What observable behavior do we expect?
Why should the design cause that behavior?
What evidence would make us change the design?
Validation setup
Which method best matches the uncertainty?
What prototype fidelity does this decision require?
Which realistic content must the validation include?
Which product state must participants encounter?
What prior experience should participants have with this kind of task?
Which access needs must recruitment include?
Interpretation
What observed behavior would support the hypothesis?
What observed behavior would reject it?
How will we limit facilitator influence?
What decision follows each possible result?
How to use this brief
Use this brief as a bank of questions for the conversation. Choose what is relevant, mark covered questions as you go, and skip anything that has already been answered.
Use this brief when...
Use when you need to choose proportionate evidence for a design hypothesis and the decision it must inform.
Best used as: Workshop
- Category
- Product features
- Discussion time
- 45 minutes
- Depth
- Standard
- Last updated
- Jul 21, 2026
- Scope
- Design briefs
- Best used as
- Workshop
- Design roles
- Product designer
- Audience
- Product designersUX and UI designersDesign leadsFreelancers and consultants
- Platforms
- Cross-platform
- Company type
- StartupB2BB2CEnterprise
- Product stage
- Early-stageGrowthMature product
- Tags
- product-featuresdesign-hypothesis-validationproduct-and-experiencedesign-validationprototype-decisionevidence-planning