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. Author manuscript; available in PMC: 2017 Sep 7.
Published in final edited form as: J Surv Stat Methodol. 2015 Mar 19;3(1):43–66. doi: 10.1093/jssam/smu023

Table 2.

Covariate Balance: List Experiment 1

Study A
Study B
Treat Control Treat Control
18 to 24 24.49 25.49 23.53 32.64
25 to 34 40.82 43.92 41.18 40.91
35 to 44 20.00 15.29 17.28 14.88
45 to 54 8.16 10.98 10.66 6.20
55 to 64 4.90 3.92 5.88 3.72
65 or over 1.63 0.39 1.47 1.65
Female 46.12 47.45 46.32 42.98
Male 53.88 52.16 53.31 57.02
Prefer not to say – Gender 0.00 0.39 0.37 0.00
Liberal 50.61 42.35 50.37 51.65
Moderate 28.16 34.51 26.84 28.51
Conservative 18.37 19.22 20.59 14.46
Haven’t thought much about this 2.86 3.92 2.21 5.37
Less than High School 0.41 0.78 0.74 1.24
High School/GED 11.02 11.76 10.66 7.44
Some College 42.45 42.75 40.44 40.91
4-year College Degree 33.47 33.73 35.29 36.36
Graduate School 12.65 10.98 12.87 14.05
White, non Hispanic 79.18 77.65 79.78 80.17
African-American 7.76 10.98 6.62 4.55
Asian/Pacific Islander 5.71 4.71 5.15 9.92
Hispanic 4.90 3.92 6.25 4.13
Native American 0.82 0.78 1.10 0.83
Other 1.22 1.18 1.10 0.41
Prefer not to say – Race 0.41 0.78 0.00 0.00
n 245 255 272 242