About this Survey -

Survey Sponsor: American Research Group, Inc.

The American Research Group has been conducting surveys of voters since 1985.

Sample Size: 600 completed telephone interviews among a random sample of likely Democratic primary voters living in Ohio (473 Democrats and 127 independents and Republicans).

Sample Dates: February 29-March 1, 2008

Margin of Error: ± 4 percentage points, 95% of the time, on questions where opinion is evenly split.

Question Wording:

If the 2008 Democratic presidential preference primary were being held today between (names rotated) Hillary Clinton and Barack Obama, for whom would you vote - Clinton, Obama, or someone else?

Would you say that you definitely plan to vote in the 2008 Democratic presidential primary, that you might vote in the 2008 Democratic presidential primary, or that you will probably not vote in the 2008 Democratic presidential primary?