GMAT Verbal Section | Usefulness of T-diagrams from MGMAT

I personally find T-diagrams more time consuming than taking a few extra seconds to understand the actual question, i.e. I tend to rather read key premises again after seeing the answer choices when solving practice questions.

In a controlled environment (even if I time myself for every question, it's still psychologically different from a real exam experience), I agree that they are very useful in profoundly understanding a question's logic and learning how to trim the fat from the text and leave
...

---