Sorting the signal from the noise — a guide to fact-checking

The word ‘signal’ is a metaphor for the patterns and meaning that are hiding in data. In electronics, signals must be separated from noise to be useful.

“How to Separate Noise from Meaning in Big Data”, George Dealy, Dimensional Insight, 17 November 2017, retrieved 4 March 2022.

What people say they do and what they actually do are often different. What people say they want and what they actually need are also often different — that’s why we can’t simply ask users to design their ideal product...