Have you factored the heterogeneous effect of treatment on groups with varying level of conservativeness within the Republicans and varying level of liberalness within the Democrats? There could be a lot of variance in political polarization within each group.
Have you factored the heterogeneous effect of treatment on groups with varying level of conservativeness within the Republicans and varying level of liberalness within the Democrats? There could be a lot of variance in political polarization within each group.
Thanks!