Guerrilla Testing
Guerrilla testing is a rapid, informal usability testing method where testers approach random people in public places (like coffee shops or parks) to get quick feedback on a product, typically a website or app prototype. It involves minimal preparation, using basic tasks and questions to gather immediate insights from a diverse, unscreened audience. This approach is cost-effective and helps identify major usability issues early in the development process.
Developers should use guerrilla testing when they need fast, low-cost feedback on user interfaces during early design or prototyping stages, especially for consumer-facing products. It's ideal for validating assumptions, catching obvious usability flaws, and gathering qualitative insights without the overhead of formal lab studies. This method is particularly useful in agile environments where quick iterations are essential.