Validity is broadly defined as how well something measures what it's supposed to measure. The reliability and validity of scores from assessments are two concepts that are closely knit together and feed into each other.

This article discusses critical methodological design decisions for collecting, interpreting, and synthesizing empirical evidence during the design, deployment, and operational quality-control phases for automated scoring systems. The discussion is inspired by work on operational large-scale systems for automated essay scoring but many of the…

Recently, there has been a significant expansion in the use of performance assessment in large scale testing programs. Although there has been significant support from curriculum and policy stakeholders, the technical feasibility of large scale performance assessments has remained a question. This report is intended to contribute to the debate by…