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Tunisian Confidence in Democracy Wanes

Tunisia Survey Methods

Pew Research Center Spring 2014 Survey

The survey in Tunisia was conducted under the direction of Princeton Survey Research Associates International.

Results for the survey in Tunisia are based on 1,000 face-to-face interviews with adults 18 and older, between April 19 and May 9, 2014. Interviews were conducted in Tunisian Arabic. The survey is representative of the adult population. The survey is based on a multi-stage, area probability design, which entailed proportional allocation of interviews by governorate and urbanity. The primary sampling units were sectors.

The margin of sampling error is ±4.0 percentage points. For the results based on the full sample, one can say with 95% confidence that the error attributable to sampling and other random effects is plus or minus the margin of error. The margin of error is larger for results based on subsamples in the survey. In addition to sampling error, one should bear in mind that question wording and practical difficulties in conducting surveys can introduce error or bias into the findings of opinion polls.

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