Answer:
The purpose of surveying is to get an idea of what the material is about and how it´s organized. It can be done by reading the headings and subheadings of the assignment or the summary of a book.
Step-by-step explanation:
The SQ4R is a method to get the information needed from textbooks. The letters stand as initials of the six-step method that is required. "S" Survey; "Q" Question; "R" Read; "R" Recite; "R" Write; "R" Review.
I hope this answer helps you.