UX Research30 sec read
Formative vs. Summative Evaluation: Improve vs. Judge
Formative evaluation improves a design in progress; summative evaluation judges a finished one. Use formative tests to find and fix flaws iteratively. Use summative tests to measure a shipped product against a benchmark, like a prior version or a competitor.
UX Research30 sec read
Jobs to Be Done: Sell the Hole, Not the Drill
The Jobs to Be Done framework says customers 'hire' products to get a job done. Instead of selling a drill, sell the quarter-inch hole. This reframes innovation around stable customer needs, not temporary product features.
UX Research30 sec read
Double Diamond: Explore, Then Focus, Twice
The Double Diamond model prevents building the wrong thing by forcing two cycles of 'go wide, then narrow down.' First, explore the problem space, then define a specific problem. Second, explore solutions, then deliver a tested one.