What Are the Perceptual Measures?

A lot of tech leaders are accustomed to measuring things like tickets or pull requests. So why should they care about the perceptual measures? Ah, that's a great question. I'll answer two different ways if it's okay. One is, we need to know both objective and subjective measures. You have to start by looking at subjective measures. Next step, you roll that into a handful of test system measures.