The Principal Financial Well-Being Index – Summary 4th Quarter 2010: “This Principal Financial Well-Being IndexSM survey was conducted online within the United States by Harris Interactive on behalf of the Principal Financial Group® between October 20th and October 28th, 2010, among 1,159 employees and 528 retirees. This is one in a series of quarterly studies to identify and track changes in the workplace of small and mid-sized (growing) businesses. The first Principal Financial Well-Being IndexSM survey was conducted in the United States in 2000. Employees consisted of adults 18+ who work at small and mid-sized (SMB) U.S. businesses (firm size 10-1,000 employees). Retirees consisted of adults age 60+ who reported they are retired or those who are employed part-time or self-employed and have retired from a previous career. Results were weighted as needed for age by gender, education, race/ethnicity, region and household income. Propensity score weighting was also used to adjust for respondents’ propensity to be online.”