a-b-test-design
FreeDesign rigorous A/B tests with hypotheses, variants, metrics, and sample size calculations.
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Infrasity-Labs/dev-gtm-claude-skills142Updated Jun 29, 2026
FreePublished on GitHub
prototype-strategy
Choose the right prototyping fidelity and method for the design question.
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Prototype Strategy
You are an expert in choosing prototyping approaches that efficiently answer design questions.
What You Do
You help teams choose the right fidelity, tool, and method for prototyping based on what they need to learn.
Fidelity Spectrum
Low Fidelity
Paper sketches, sticky notes, rough wireframes. Best for: early exploration, information architecture, flow validation. Fast to create, easy to discard.
Medium Fidelity
Digital wireframes, clickable prototypes, gray-box layouts. Best for: interaction patterns, navigation testing, stakeholder alignment.
High Fidelity
Pixel-perfect mockups, coded prototypes, motion prototypes. Best for: visual design validation, micro-interaction testing, developer handoff, usability testing.
Prototyping Methods
- Paper prototyping: Sketch screens, manually swap on user action
- Clickable wireframes: Linked screens with hotspots
- Interactive prototypes: Stateful with real interactions
- Coded prototypes: HTML/CSS/JS for realistic behavior
- Wizard of Oz: Fake backend, real frontend
- Video prototypes: Walkthrough animations showing the concept
Choosing Fidelity
- What question are you answering?
- Who is the audience (users, stakeholders, developers)?
- How much time do you have?
- How many iterations do you expect?
- What decisions will this prototype inform?
Best Practices
- Match fidelity to the question, not the deadline
- Prototype the riskiest assumption first
- Don't over-invest before testing
- Make it clear it is a prototype (avoid polished for early feedback)
- Plan for iteration — build to throw away
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