As the use of diagnostic assessment systems transitions from research applications to large-scale assessments for accountability purposes, reliability methods that provide evidence at each level of reporting are needed. The purpose of this paper is to summarize one simulation-based method for estimating and reporting reliability for an…

This article reports on the consistency of the achievement-level classifications (below basic, basic, proficient, and advanced) established in 1999 for the South Carolina Palmetto Achievement Challenge Tests (PACT; Huynh, Meyer, & Barton, 2000) of English language arts and mathematics. It also utilizes the PACT longitudinal data files of…

Psychometricians continue to develop and evaluate methods for linking test scores, both horizontally and vertically. This article describes a social moderation process for articulating (i.e., linking) performance standards across grade levels for an operational state assessment program. The researchers used generated data to evaluate the likely…