More From CNN/Opinion Research

Approval ratings:

August 29-31: Obama 49%, McCain 48%

August 23-24: Obama 47%, McCain 47%

July 27-29: Obama 51%, Obama 44%

Is Sarah Palin qualified to serve as president?

Yes: 45%

No: 50%

No opinion: 5%

Do you think John McCain's choice of Sarah Palin reflects favorably or unfavorably on McCain's ability to make important presidential decisions?

Favorably: 57%

Unfavorably: 40%

No opinion: 2%

"John McCain chose Sarah Palin because he thought having a woman on the ticket would help him get elected?"

Agree: 75%

Disagree: 25%