IRI’s polls are conducted in a nonpartisan manner and meet industry accepted standards for minimum disclosure. Beginning in September 2007, IRI makes available the following information on surveys the Institute conducts.

• When security permits, who conducted the survey.
• A definition of the population under study.
• A description of the sampling frame used to identify the population under study.
• A description of the sample design, giving a clear indication of the method by which the respondents were selected by the researcher, or whether the respondents were entirely self-selected.
• Sample sizes and, where appropriate, eligibility criteria, screening procedures, and response rates.
• A discussion of the precision of the findings, including estimates of sampling error, and a description of any weighting or estimating procedures used.
• Which results are based on parts of the sample, rather than on the total sample, and the size of such parts.
• Method, location and dates of data collection.