Evaluators report effects of education initiatives as standardized effect sizes, a scale that has merits but obscures interpretation of the effects' practical importance. Consequently, educators and policymakers seek more readily interpretable translations of evaluation results. One popular metric is the number of years of learning necessary to…

This article is a commentary of a paper by Derek C. Briggs and Frederick A. Peck, "Using Learning Progressions to Design Vertical Scales That Support Coherent Inferences about Student Growth," which describes an elegant potential framework for at least beginning to address three priorities in large-scale assessment that have not been…

Data are most useful when they are transformed into actionable information that people are able to access, understand and use. Thanks to both state and federal leadership, political commitment and investment of financial resources, states have made tremendous progress in the building of statewide K-12 longitudinal data systems. However, to ensure…