Constructed response (CR) items are widely used in large-scale testing programs, including the National Assessment of Educational Progress (NAEP) and many district and state-level assessments in the United States. One unique feature of CR items is that they depend on human raters to assess the quality of examinees' work. The judgment of human…

"Scaling" is the process of constructing a score scale that associates numbers or other ordered indicators with the performance of examinees. Scaling typically is conducted to aid users in interpreting test results. This module describes different types of raw scores and scale scores, illustrates how to incorporate various sources of…