For this project, the authors use data from four IES-sponsored randomized studies to examine some of the key issues identified in May et. al. (2009). The first set of questions focuses on issues related to using state tests: (1) Do studies meet the assumptions needed for combining impacts on state tests across grades and/or states?; (2) How…

Calculated year-1 to year-2 stability of assessment data from 21 states and 2 Canadian provinces. The median stability coefficient was 0.78 in mathematics and reading, and lower in writing. A stability coefficient of 0.80 is recommended as the standard for large-scale assessments of student performance. (SLD)

This field memo is the third in a series of updates from the Deputy Commissioner of the Office of Elementary, Middle, Secondary and Continuing Education to all teachers and administrators of public and nonpublic schools on standards and assessments in New York. This document explains how the New York State Education Department determines if test…

Summarizes the recent history of education reform and statewide testing in Texas. Suggest that analyses comparing Texas Assessment of Academic Skills (TAAS) reading, writing, and mathematics scores with one another and relevant high school grades raise doubts about the reliability and validity of TAAS scores. Discusses these problems. (SLD)

The 1992-93 school year was the second year of the implementation of the Vermont assessment program. Evaluation of the 1991-92 year yielded mixed results, with some evidence that the assessment program was having a strong impact on instruction, but other indications that the reliability of the portfolio scoring in both writing and mathematics was…