Writing on product work that we keep coming back to, gathered from across the internet.
Every title opens the original on the publisher’s own site. We point at this writing and credit the people who wrote it. We do not host it.
Maps twenty research methods across attitudinal against behavioural, qualitative against quantitative, and the product stage each suits. The chart is the fastest way to settle a debate about whether a survey can answer the question you actually have.
Nielsen's model shows a single participant surfacing roughly a third of usability problems, with returns falling away quickly after that. The practical conclusion is to run three small rounds with a redesign in between rather than one study with fifteen people.
Defines the parts of a journey map, the actor, the scenario, the phases and the emotional line running underneath them. Read it before commissioning one, since a map assembled without research describes the room it was drawn in rather than the customer.
Recruiting, question design and synthesis in one place, including the interview snapshot Torres uses to share what a single conversation produced. The guidance to ask about specific past behaviour rather than general habits is the change that improves results fastest.
Asking someone what they usually do produces an idealised answer, while asking about one specific occasion produces something you can act on. Short enough to read in the ten minutes before your next interview.