> They know beforehand what the researchers are interested in, and introduce noise that effects all the measures _except_ the ones the researchers said they wer

> They know beforehand what the researchers are interested in, and introduce noise that effects all the measures _except_ the ones the researchers said they were interested in looking at beforehand. Isn't there a danger in the census statisticians doing the same thing? That they'll introduce noise that affects looking at the data in ways that they didn't anticipate or allow for. Or even that hinders drawing conclusions that go against current dogma.