ANXIETY NOSTALGIA AND MISTRUST

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FINDINGS FROM THE 2015 AMERICAN VALUES SURVEY 49

The sample weighting is accomplished using an

iterative proportional fitting (IFP) process that

simultaneously balances the distributions of

all variables. Weights were trimmed to prevent

individual interviews from having too much

influence on the final results. The use of these

weights in statistical analysis ensures that the

demographic characteristics of the sample

closely approximate the demographic characteristics

of the target populations.

The margin of error for the survey is +/- 2.6

percentage points at the 95% level of confidence.

The design effect for the survey is 1.9. In

addition to sampling error, surveys may also be

subject to error or bias due to question wording,

context, and order effects.

TABLE 1. Demographic, Political, and

Religious Subgroup Sample Sizes

General Public

(Unweighted)

Total Sample 2,695

Male 1,193

Female 1,502

Democrat 962

Independent 995

Republican 659

Tea Party 179

White, non-Hispanic 1,928

Black, non-Hispanic 292

Hispanic 228

White working-class 793

White college-educated 861

Age 18-29 337

30-49 882

50-64 847

65+ 628

White evangelical Protestant 455

White mainline Protestant 523

Black Protestant 221

Catholic 517

White Catholic 375

Hispanic Catholic 98

Religiously unaffiliated 520

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