Rasmussen Reports and Pulse Opinion Research conducted a survey of 500 Iowa likely voters which ended on Aug 8, 2012. Respondents were contacted by Landline and the interaction was automated. The results of this poll were released on Aug 10, 2012.
Results were provided for the only publicly acknowledged question.
Question 1 | PreferenceView Matchup
If the presidential election were held today, would you vote for Republican Mitt Romney or Democrat Barack Obama?
This question was presented to 500 likely voters from Iowa who were contacted in some undisclosed fashion. The margin of sampling error is ± 4.5% at the 95% confidence level.
The question wording was provided by Rasmussen Reports and Pulse Opinion Research.