Journal studies are best used when a product or service is in its early stages but established. There must be an MVP at the very least, and potentially a more fully formed beta offering.

Journal studies are great for gathering understanding about why and how a product or service is used. Why do people come back? When? How do they use it when they do? What are their expectations and are they being met over time? Journal studies are used across industries from healthcare to tech to consumer products.

Test framework that includes a firm time frame and is informed by the research plan and user group. A journal with questions can be provided as PDF or users can be given looser instructions - the structure will depend on research needs.