English language proficiency (ELP) assessment scores are used by states to make high-stakes decisions related to linguistic support in instruction and assessment for English learner (EL) students and for EL student reclassification. Changes to both academic content standards and ELP academic standards within the last decade have resulted in…

Vertical scales are frequently developed using common item nonequivalent group linking. In this design, one can use upper-grade, lower-grade, or mixed-grade common items to estimate the linking constants that underlie the absolute measurement of growth. Using the Rasch model and a dataset from Curriculum Associates' i-Ready Diagnostic in math in…

Four publishers responding to the previous discussion agreed that American elementary achievement has improved, but evidence presented by the Secretary of Education confirms that few real improvements have occurred since "Nation at Risk." Commercial achievement tests provide falsely high scores (the Lake Wobegon Effect). (SLD)

The effects of performance assessment on student learning were studied in third grades in three suburban schools and matched control schools. Performance measures did not produce clear and immediate improvements in student learning, but some positive changes were seen in mathematics. (SLD)

The validity of eight critical thinking tests developed for the Pittsburgh (Pennsylvania) public schools was studied using scores from 100 students each in grades 5, 8, and 11 and questionnaire responses from teachers. Validity is discussed for providing diagnostic information, monitoring achievement, and influencing the curriculum. (SLD)