Product Thinking Models
These models won't hand you the answer. Their value is as a checklist—forcing you to fill in the side you hadn't considered.
The classic symptom of empty use: you fill in the four SWOT boxes and call it done. Nothing changes, no one looks at it twice. There's only one test for whether a model earned its keep this time—after using it, did your decision change?
Below we unpack the three most-used. For the rest, knowing from the diagram above when to pull them out is enough.
KANO: Ranking needs
Sort needs into five categories to decide what to build first. It answers: "If I add this feature, will users be more satisfied?"
The Five Elements of UX
Five layers from abstract to concrete. Its biggest use is a reminder: when something's wrong, look one layer up before endlessly reworking the surface.
AARRR
Split the user's full path—from arrival to departure—into five stages, to pinpoint exactly where they get stuck.