For most logic games on the LSAT, it’s pretty clear how you should be setting up your game. If Little Jimmy is going to eat six bowls of cereal and you’re figuring out what order he eats ’em in, you draw six spots on your paper and fill them in. If you’re figuring out who’s on the varsity volleyball team and who only made JV, your groups are the two teams, and then you figure out who was lucky and who wasn’t.
When it comes to the Reading Comprehension section on the LSAT, my eternal refrain is that the best success is achieved by focusing primarily on the structure of a passage, with the content of the passage as a secondary concern. (In fact, I’m working on boiling that phrase down for use as a catchy statement on my tombstone.)