How we keep our online surveys from running too long, Pew Research Center

While there is no magic length that an online survey should be, Pew Research Center caps the length of its online American Trends Panel surveys at 15 minutes.

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How we keep our online surveys from running too long, Pew Research Center

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How we keep our online surveys from running too long, Pew Research Center

What shifting to online polling means for our long-term phone survey trends