for the complete report
PAAIA’s surveys are conducted by Zogby Research Service (formally known as Zogby International), a pre-eminent polling firm, based on successful telephone interviews in English with representative sample of respondents. Zogby Research Service employs sampling strategies in which selection probabilities are proportional to population size within area codes and exchanges. The margin of error for the results of the 2011 survey are +/- 5 percentage points, which is an acceptable margin of error for a survey of this type.