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Industries with high consequences (medical, aerospace, automotive) have evolved sophisticated testing strategies that balance regulatory requirements, budget constraints, and time-to-market. Great engineers don’t find the perfect test. They stack imperfect evidence until confidence exceeds the decision threshold. We introduced evidence stacking in this month’s AMA: “Investigate It: How to design tests that actually move your…

We have a tough, uncertain design decision ahead of us. Everyone agrees we must do something, like extra tests or analysis. We’re not moving forward until we address this critical unknown in our design process. Now we want to do activities that actually move our confidence needle, and know when to stop. Last month, we…

Teams often use sophisticated risk tools as security blankets when what they really need is decision clarity.

I just published Pierce the Design Fog, which focuses on the early-stage work: getting cross-functional teams aligned on customer needs and experiences and developing clear design inputs. That’s the front end: the fuzzy, collaborative work of defining WHAT to build. But once you have design inputs and start execution, you face different uncertainty: ‘Will this technical…