Systematyka
Customer & Product · UX & customer experience

Norman's Three-Legged Stool

Табуретка Нормана · UX model

The team needs to understand the customer, value, requirements, or product scenario more clearly.

Why use it

Structure product work and make the next step testable.

How to apply

  1. Define the specific management situation and desired outcome.
  2. Gather the minimum facts, constraints, and perspectives needed to use the tool.
  3. Apply Norman's Three-Legged Stool, make key assumptions explicit, and compare the result with realistic alternatives.
  4. Record the decision, next owner or action, and a testable criterion for the next step.

Output

A clearer product hypothesis, customer insight, or next validation step.

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