. 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 5.

Study A (Directs First): Placebo Test II

\hat{β}

p-value

Nuclear Power

0.066

0.043

0.120

500

Public Transportation

−0.000

0.045

0.994

500

Spanish-speaking

0.016

0.027

0.561

500

Muslim Teachers

−0.030

0.028

0.286

500

CNN

−0.056

0.045

0.207

500