The "PQRST method" is a 5-step method for effectively reading textbooks that has been proven to raise test scores. The steps are: P (Preview) to get the overall picture; Q (Question) by forming questions while previewing; R (Read) actively by stopping to think and ask questions; S (State) the main points in your own words; and T (Test) yourself later with a review to commit the information to long-term memory. Following these steps helps the reader understand and retain important concepts.