Summary: Product sense means predicting which product decisions will succeed based on patterns learned through experimentation — and knowing when those patterns apply. This view of product sense requires domain experts to build their own personal repertoire of past experiences to draw upon. This definition improves on Walter’s because it turns product sense from a loose combination of empathy and creativity into a measurable decision-making skill. Product Sense Also Means Knowing When Patterns Don’t ApplySo, if you gain experience making decisions and following through to see the results, do you have strong product sense? High-validity situations are easy for product experts (i.e., individuals with product sense) to assess.