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Ive seen a few threads on here about studying so far, but those seem to deal mostly in specifics, such as what exact books to buy, ect.

What Im trying to do as a general study strategy is master a section (like im working on logical reasoning right now) until i can get ~90% of the questions in that section correct without time constraints. Once I can do that for each section, Ill go back and work on speed.

Does this sound like a good idea? Or will I risk getting rusty on a given section in the time it takes me to master another one?

That how I am doing it so far. I want to master a section before I move on, and then when I am done with the different sections it will be nothing but timed practice tests.