13. "UNWEIGHTED" polling numbers rarely match the demographics of the populations sampled.
That's why professional polling organizations normalize the polling results by 'weighting' the results against known demographics. Indeed, it's in this normalization process that biases of the polling organization are often introduced. For example, Rasmussen is often cited as having a 'Republican bias' due to their alleged normalization assumptions.
Powered by DCForum+ Version 1.1 Copyright 1997-2002 DCScripts.com
Software has been extensively modified by the DU administrators
Important Notices: By participating on this discussion
board, visitors agree to abide by the rules outlined on our Rules
page. Messages posted on the Democratic Underground Discussion Forums are the
opinions of the individuals who post them, and do not necessarily represent
the opinions of Democratic Underground, LLC.
Printer-friendly format
Email this thread to a friend
Bookmark this thread
(1000+ posts)
Send PM |
Profile |
Ignore
