0 one of a series of books of increasing levels of difficulty, used for teaching people to read, or to help them learn a foreign language by reading --
Graded readers are often used.
Graded readers can be adapted from literary classics, films, biographies, travel books, etc., or they can be originals written specifically at a less demanding language level.
Graded readers are typically graded, i.e. levelled, within a series according to high frequency headword count.
At what rate do learners learn and retain new vocabulary from reading a graded reader?
