The Personal Equation

Sounds like a "fuzzy set." Which comes into play when you try to categorize things that vary continuously into discrete groups. Can't be done without ambiguruity and bias. As a geneficist by the name of Pearl demonstrated when he had 15 scienfists sort the same 532 com kernels into yellow-starchy, yellow-sweet, white-starchy or whitesweet groupings. Each scientist came up with a different count. Instead of objectivity. Pearl discovered "personal equation," the slight nuance in perception each...