Topic
Product Design
2 worked experiments using Product Design. Every study names its source, and many can be opened in Blueprint.
Which Variables Matter? Screening a Vacuum Brush Design in 12 Configurations
A consumer product team believed all seven of their brush-roller variables affected cleaning performance of a new household vacuum cleaner — they just didn't know which ones mattered most. Twelve configurations settled it: two variables carried 92% of the variation, and one they were certain about turned out to do nothing at all.
Consumer Products · Sep 2026Read the experiment
Maximum Cleaning Power, Minimum Cost: Optimizing a Vacuum Brush Roller
Two of the three surviving variables cost almost exactly the same to change, but one bought nearly four times more cleaning performance per dollar. A 2³ factorial with five replicates optimized cleaning performance while keeping costs down.
Consumer Products · Sep 2026Read the experiment