ANALYSIS: ACCURACY OF MAJOR POLLING INSTITUTIONS

Final poll predictions for the 1996 presidential campaign as a guide to accuracy.
 Poll

 Sample Size

 Clinton

 Dole

 + / -

 Margin of Error

 Margin Exceeded?

  Error %

CBS/
New York Times

 1519

 53%

 35%

 18%

 2.4%

 YES

 + 9.5%

Pew Research

 1211

 49%

 36%

 13%

 2.6%

 YES

 + 4.5%

ABC/
Washington Post

 703

 51%

 39%

 12%

 3.6%

 Close Call

 + 3.5%

Harris

 1339

 51%

 39%

 12%

 2.6%

 YES

 + 3.5%

NBC/
Wall St. Journal

 1020

 49%

 37%

 12%

 2.9%

 YES

 + 3.5%

USA Today/ CNN/Gallup

 1200

 52%

 41%

 11%

 2.8%

 Close Call

 + 2.5%

Reuters/Zogby

 1200

 44%

 37%

 7%

 2.6%

 NO

 - 1.5%

Hotline/ Battleground

 1000

 45%

 36%

 9%

 2.8%

 NO

 + 0.5%

Actual Results

 96,211,883

 49.3%

 40.7%

 8.5%

   

ANALYSIS: Two of the most quoted polls today were the least accurate in the 1996 Election. Four major polls exceeded their advertised margin of error, while two others, had a close call. Only two polls had results which fell well beneath their advertised 'margin of error'. It is also interesting to note that the number of people polled is not necessarily an indication of accuracy. Apparently, method is more important than number of calls made.

The most accurate polls: Zogby was closest without going over,
while the Battleground poll was closest overall.

It is also important to note that many of these polls sharply reduced their numbers in the days just prior to the election... indicating they may have been way off for the entire year.

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