Fact: levels of knowledge are lower than demo theory would require
Bartels = US, ignorant voter doesn’t make same decisions as if they were more knowledgeable
Bittner = CAN, interaction effect between knowledge and social group ID (religion, gender, race etc). Behaviour differs depending on knowledge but wether
bridging (knowledgeable Catholics on abortion to non Catholics) or ==amplifying== (knowledgeable women support C party way less than men) effect differs