Table S4.

Treatment effect estimates for study 2 voting preferences

Predictor variablePresearch votePostsearch vote
Age group
Education level
 Less than ninth grade0Referent0Referent
 Ninth to 12th grade0.0240.5480.7320.550
 High school graduate0.0740.5280.9270.528
  • The presearch and postsearch columns report the estimate and variance for both treatment groups using classical regression poststratification. Data for sex, race/ethnicity, age group, and education level came from the 2010 US Census. Data on the number of people who identify their sex as “other” came from a 2011 Gallup study.

  • * P < 0.05.