Selzer & Company conducted a survey of 3813 Iowa registered voters between Jan 26 and Jan 29, 2015. Respondents were contacted by either Cellphone or Landline and instructed by a live operator. The results of this poll were released on Jan 31, 2015.
The poll was sponsored by Bloomberg and the Des Moines Register.
Results were provided for the only publicly acknowledged question.
The external identification number for this poll is 2113.
Question 4 | PreferenceView Matchup
Which one of the following Democratic candidates would be your first choice for president? (Read list and rotate.)
This question was presented to 401 likely voters from Iowa who were contacted in some undisclosed fashion. The margin of sampling error is ± 4.9%.
The question wording was provided by Selzer & Company, Bloomberg and the Des Moines Register.