Sample Sizes for Qualitative Studies

Summary: When choosing your sample size for a qualitative research study, consider these three factors: the diversity of your target group, your research scope, and the researcher’s skill level.

Related Article

How Many Participants for a UX Interview?

In the early stages of a UX-design project, recruit enough people to gain an in-depth understanding of users’ experiences and needs. The number of people needed for an interview study is often smaller than you think.

Video Author

Maria Rosala is the Director of Research at Nielsen Norman Group. She leads and oversees research at NN/g, trains teams around the world on UX topics, and works with clients to help them improve the user experience of their products and services.

 

Learn More

Subscribe to the weekly newsletter to get notified about future articles.

Videos