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)

A pilot study systematically collected classroom assessment data in reading and compared that data to the students' test scores on the Degrees of Reading Power (DRP). A total of 61 teachers in 18 New York City public elementary schools gathered the data for 268 students in grades 2 through 6. Teachers identified the books their children could…