Research shows that assuming a test scale is equal-interval can be problematic, especially when the assessment is being used to achieve a policy aim like evaluating growth over time. However, little research considers whether teacher value added is sensitive to the underlying test scale, and in particular whether treating an ordinal scale as…

Relations between reading and writing have been studied extensively, but the less is known about the developmental nature of their interrelations. This study applied latent change score modeling to investigate longitudinal relations between reading and writing skills at the word, sentence, and text levels. Latent change score models were used to…

The release of School Grades by the State of Florida in the late summer of 2010 created quite a stir. Over 500 elementary schools all over the state dropped at least one grade level. Among those schools that experienced drops, the Reading Gains and Mathematics Gains components seemed especially low. Some of the historically best performing schools…