Published online by Cambridge University Press: 06 April 2005
On Labor Day, 57 days before the election, using the Gallup poll's division of likely voters and GDP growth during the second quarter of the year, the trial-heat and economy forecasting model predicted that George W. Bush would receive 53.8% of the two-party popular vote (Campbell 2004a). Out of concerns about relying too heavily on a single poll and the possible complications associated with the Republican Convention running right up to the Labor Day weekend, a companion model based on the pre-convention Gallup poll, the net convention poll bump, and the economy was constructed. It forecast a slightly closer election, with a Bush vote of 52.8%.