Shows how the Law of Diminishing
Returns operates in respect of Questions
asked and the Value of any replies, and
poses the question of Validity and Reli-
TO THE DOUBTS that I have been expressing about their reports of public opinion, the pollsters may answer that they should be judged by the work they do and not by what they say about it. Unlike measurements in physics, attempted measurements of opinion do not speak for themselves. Even if they did, the pollsters would chafe at being mensurationists only —that is, counters of yeses and noes. They want to become evangelists and speeders-up of democracy. Hence they baptize themselves "public opinion analysts."
Well, the undertaker has become a mortician, and the real-estate agent a realtor, but these roses are the same even though differently named. When the hairdresser becomes a beautician, he makes a claim that he frequently cannot live up to. He may be able to dress the hair of all customers, but there are some who stalwartly resist being beautified. So the results of polls, as I have sought to demonstrate, fail in the vast majority of in