Putting It All Together
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An educated consumer
is a poll's best customer. For all their weaknesses, polls can tell us a lot –
as long as we know that what we're looking at is an approximation of reality,
and not reality itself. This is especially true of reports based on "focus
groups," which offer human interest but are subject to vast amounts of
error. Internet surveys also cannot represent the general population adequately
at present, though this is an area where some serious attempts are being made
to compensate for the inherent difficulties and inherent sampling bias. So,
read the poll numbers for entertainment. Just don't rely on them for
decision-making.
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