This dataset is used in the exercises of Chapter 4 from the textbook.
barber
A data frame with 1300 rows and 3 variables:
Outcome variable denoting support. 1 = support policy, 0 = do not support policy
Condition indicator. 1 = liberal Trump, 2 = conservative Trump, 3 = GOP Leaders, 5 = control Republican
Pre-treatment covariate denoting denoting partisanship. 1 = Republican, 0 = Not Republican