Among the most scientific and serious polls was the large-sample survey (844 respondents) by the Pew Research Center from Jan. 30 through Feb. 2.

CNN: By Ronald D. Elving, CQ Staff Writer

The survey was done by an outfit called Braun Research that polled a nationally representative sample of 1, 000 working Americans age 18 or older.

FORBES: How To Make Thousands Of Extra Dollars While at Work -- If You Can Bear It