In addition, to reduce the possible bias caused by volunteer sample, certain post-survey weighting procedures must be performed, based on demographic as well as attitudinal and lifestyle variables.
PIGS FLY! "screamed the banner headline in a mock four - page newspaper (named the Impossible News) tucked inside the Inquirer and its sister paper, the Philadelphia Daily News, on May 4 ."
Gather data and get prepared to make a big decision. The path ahead will open up soon, and the answer will be obvious.
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