(Answered) Question political polling has traditionally used telephone

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Question: Political polling has traditionally used telephone interviews. Researchers at Harris Black International Ltd. have argued that Internet polling is less expensive, faster, and offers higher response rates than telephone surveys. Critics are concerned about the scientific reliability of this approach (The Wall Street Journal, April 13, 1999). Even amid this strong criticism, Internet polling is becoming more and more common. What concerns, if any, do you have about Internet polling?

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