Provides a microcomputer program that will calculate readability levels using Rix, a new, short readability formula. (FL)

Argues that readability formulas accurately predict how easily a passage will be understood by considering sentence length and word difficulty. Claims that the misuse of readability formulas as writing guides is responsible for much of the criticism. Challenges the critics to come up with something better. (RS)

Argues that the Degrees of Reading Power test is not a valid tool for its main purpose, matching students to appropriate texts, because the test's units of text difficulty are not uniformly comparable to the test's units used to reflect a reader's ability. (HOD)

Explains significant but accounted for factors that affected the validity of the Degrees of Reading Power Test. (HOD)

Suggests how teachers can make materials more comprehensible for students rather than relying on readability formulas for reading material selection. (AEA)