Randomized experiments are often considered the strongest designs to study the impact of educational interventions. Perhaps the most prevalent class of designs used in large scale education experiments is the cluster randomized design in which entire schools are assigned to treatments. In cluster randomized trials (CRTs) that assign schools to…

Given the policy imperative of using multiple measures for state education accountability under the No Child Left Behind Act (NCLB), this study examines similarities and discrepancies between the National Assessment of Educational Progress (NAEP) and the states' own math assessment results in Kentucky and Maine, with a focus on 3 major academic…