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Start for freeDirty Testing is a quick and informal user research method where designers or researchers test early-stage ideas or prototypes with users in an unstructured, casual setting to gather rapid feedback and insights.
Synonyms: Quick and Dirty Testing, Informal User Testing, Rapid Prototype Testing, Guerrilla User Research, Ad-hoc Usability Testing

Dirty Testing is crucial in the early stages of product development as it allows teams to quickly validate ideas and gather user feedback without investing significant time or resources. This approach helps identify major usability issues or design flaws early on, saving time and money in the long run.
Designers and researchers use Dirty Testing to:
By conducting informal tests with potential users, teams can make informed decisions about which ideas to pursue or refine further.