[moose2004]

Polls of adults are not reliable, they only give you a general trend.

[Bubbatuck]

Polls of adults are not reliable, they only give you a general trend. Polls of adults are VERY reliable. It just depends what you're measuring. There is a big difference between an opinion poll and an electoral poll. This is an opinion poll on the President's job performance. It is NOT an electoral poll, so there's no reason to confine the participants to registered or likely voters. Non-voters have opinions on the President, too, and that's all these polls are trying to measure.