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Statistical Illusions
Entry #0445
The reason a self-selected panel overstates strong opinions
Answering costs time, and the people who pay it are those with something to say. Indifference is the hardest state to get into a dataset.
Master
The hidden part
#0445
Willingness to answer is itself an attitude, and weighting cannot repair it. Indifference is the state a voluntary survey cannot record.