This report examines the differences in impact estimates and standard errors that arise when these are derived using state achievement tests only (as pre-tests and post-tests), study-administered tests only, or some combination of state- and study-administered tests. State tests may yield different evaluation results relative to a test that is…

Proponents of out-of-level testing generally contend that there are three benefits for students with disabilities: (1) undue test frustration is avoided; (2) test measurement accuracy is improved; and (3) test items are better matched to students' current educational goals and instructional level (Thurlow, Elliott, & Ysseldyke, 1999). It is…

This report, submitted to the U.S. Department of Education, contains summary details of Delaware students' growth in the areas of reading, mathematics, writing, science and social studies. The results reported herein are part of a long-term effort to gather data on Delaware students' educational progress and use the data to inform decisions about…

This report describes the results of Connecticut's second statewide assessment of mathematical knowledge, skills and attitudes. The Connecticut Assessment of Educational Progress annually tests a sample of Connecticut students in grades 4, 8, and 11 in one or more subject areas. Students at each grade level were randomly selected to participate in…