Three Things to Look for in Any Election Poll
Briefly

"The golden rule: Never put too much stock in a single poll. Remember that polls are a snapshot of how people were feeling at a particular moment in time; they are subject to error, and are best understood in aggregate, such as through New York Times polling averages."
"When you do want to understand more about a single poll, consider the so-called P.S.T.: the pollster that conducted the poll, the sample population surveyed, and the time frame in which it was conducted."
Read at www.nytimes.com
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