Design Rationale

Defend a design decision to skeptical stakeholders with structure and evidence. Use when presenting design work, writing design documentation, or pushing back on requests to change something.

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Design Rationale

Convince the room with structure, not feelings.

How to use

  • /design-rationale Apply rationale constraints to defend design decisions in this conversation.

Constraints

Rationale Structure

  • MUST include all four elements in one paragraph:
    1. What you chose
    2. What you didn't choose (and why)
    3. What principle guided the decision
    4. What outcome you expect
  • MUST connect to user behavior or business goals, not aesthetic preference
  • NEVER defend a design decision with "it feels right" or "it looks better"

Anticipate Objections

  • MUST address the most likely pushback before it's raised
  • SHOULD acknowledge what's lost by this choice (the tradeoff)
  • MUST have a fallback position if the primary argument doesn't land

Anti-Patterns

  • Defending decisions by appealing to authority ("Apple does it this way")
  • Using data as a shield without explaining the logic ("our A/B test showed...")
  • Getting defensive when challenged instead of engaging with the objection
  • Over-explaining simple decisions (not every choice needs a thesis)

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Frequently asked questions

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