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Dirty Testing

UX Design

What is Dirty Testing

Dirty Testing is a quick and informal usability testing method that prioritizes speed and early feedback over perfect research conditions. It focuses on gathering rapid insights with minimal preparation or formal protocols.

When to use Dirty Testing

Implement dirty testing when:

  • Time is limited: Need quick feedback on design decisions
  • Early stages: Testing rough concepts or prototypes
  • Low-risk changes: Validating minor interface adjustments

How to conduct Dirty Testing

Execute quick tests by finding readily available participants (colleagues, nearby users), focusing on specific features or workflows, and collecting immediate feedback. Document key observations and critical issues without extensive formal analysis.

Benefits of Dirty Testing

This approach enables rapid iteration, reduces development risks, and catches obvious usability issues early. While not as thorough as formal testing, it helps teams maintain user-focused development with minimal resource investment.

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