Studied the effects of linguistic simplification, a test accommodation designed for students of limited English proficiency (LEP), using data from the Delaware state science assessment program for grades 4 and 6. Findings for 11,306 non-LEP and 109 LEP students show that tests and items can be simplified linguistically without compromising score…

This study modeled school and district effects in the mathematics scores of the Delaware Student Testing Program (DSTP) using hierarchical linear modeling. Three-level hierarchical models were fitted to estimate school and district effects in the DSTP mathematics scores and to examine the school and district variance with variables assessing…

This study invesitigated possible reasons for the low performance on the text-based writing assessment of the Delaware Student Testing Program (DSTP) in 2000, especially for grades 3 and 5, and considered ways to improve classroom instruction. In the first part of the study, a panel of teachers reviewed the anchor papers from the assessment and…