Results are based on telephone interviews conducted December 10-12, 2010 with a random sample of –1,019— adults, aged 18+, living in the continental U.S., selected using random-digit dial sampling.

For results based on the total sample of national adults, one can say with 95% confidence that the margin of error is ±4 percentage points.

For

results based on the sample of – 840—Internet users, one can say, the maximum margin of sampling error is ±4 percentage points.