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SORA/ISA Election Day Survey

Commissioned by: ORF Austrian Broadcasting Company

Population: eligible voters (Viennese Regional Election 2015)

Survey method: Computer assisted telephone interviews (CATI)

Survey period: October 7 to 11, 2015

Fieldwork: IPR – Umfrageforschung Dr. Richard Költringer, Institut für statistische Analysen Jaksch & Partner

Sampling: random sample, n=2.045

Confidence interval for n=2.000 max. +/-2,2%
Subgroups have broader confidence intervals dependent on their group size. 

Weighting (representative for eligible voters in Vienna): sex, age, formal education, occupational status.

Note: Minor deviations from the final election result are possible because of sample fluctuation, weighting and rounding.