@JustDoIt Nah, basically just so they can verify it's you. So unless your face looks drastically different when you're wearing a collared shirt, you should be OK.
Yeah, J.Y's explanations are a life saver! It's so much more helpful when someone is diagramming and explaining everything in full detail, like he does.
I actually prefer Blueprint's method for logic games above anything else (so if you can get your hands on it, I'd recommend it). It's the bare minimum amount of diagramming (which is useful for me) and the little symbols make sense.
Just wanted to reiterate this. Missed 5 on the first LR section of PT 73 and made 2 careless mistakes all because I wasn't 100% thorough in my diagramming.