JYs method for blind review is pretty much circle questions that you are not sure about while PTing and then answer them after you do the test.
What I do is instead of going through ONLY those circled questions, I gloss through the entire test because for instance there are many questions where I am confident in the right answer but not exactly sure why a wrong answer is wrong or something, and im not trying to deliberate mid timed test whether or not i have a valid enough reason to circle this question later. Is going through the entire test a good way of BR? I am assuming JY doesnt mention doing this simply because it takes way more time rather than simply going through the circled answers.
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I have been going through the entire test and writing out explanations for each answer choice for LR and redoing LG and RC untimed. I have been advised to do the questions I got wrong first and then do the entire test. I find this methodology to be really great at reinforcing and improving your reasoning skills.
As a rule of thumb, if you were not 100% sure why the correct answer was correct, or why all 4 wrong answers were wrong, that warrants circling and reviewing the question.
Disclaimer: You don't actually have to be 100% sure...pick a number that works for you. For me, that number was 95%+