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 explored the nature of the relationship between test and classroom evidence and considered how these different sources of evidence were used in assessing and promoting student growth and development in reading. Test estimates of third-grade children in two public elementary programs in New York City were compared with estimates of…