IRI, JRI Research
Aceh Provincial Public Opinion Survey,
August 2011
2
Methodology
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This survey was designed, analyzed and fielded by JRI Research under the supervision of Fallon
Research and Communications on behalf of the International Republican Institute.
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The provincial representative survey was carried out from August 6-22, 2011. The eligibility criteria was
based on eligibility to vote in the upcoming provincial election. A sample of 1,075 Aceh participants
were interviewed face-to-face in their homes.
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The sample design was a multi-stage probability sample.
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Stage one: the sample was stratified into 22 districts.
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Stage two: the sample was further stratified into rural, urban and village sampling units.
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Stage three: primary sampling units (PSU) were described.
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The Kish grid method was used to randomize the selection within households among eligible
respondents. The households were selected using the random route method.
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The sample was distributed at the district level, in rural and urban areas, in 22 districts of Aceh.
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The response rate was 83 percent.
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The margin of error for the survey does not exceed plus or minus three percent with a confidence level
of 95 percent.
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Thirty interviewers worked on the study, on average completing 9-10 interviews in one PSU. The
interviews were conducted using local dialects performed by interviewers who are native speakers.
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The survey questions were asked in a different order than they are presented.
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Due to rounding, charts may not add to 100 percent.