Test publishers have promoted their commercially available, norm-referenced achievement tests as viable solutions to assessment challenges faced by states. They argue that their tests are developed professionally, and, therefore, possess sound psychometric properties not often found in state-specific efforts. This study compared judgments from two…

Tests can be categorized into two major groups: norm-referenced tests (NRTs) and criterion-referenced tests (CRTs). NRTs are designed to highlight achievement differences between and among students to produce a dependable rank order of students across a continuum of achievement from high achievers to low achievers. With NRTs, a representative…

Norm-referenced tests (NRT) help compare the performance of one student with the performances of a large group of students, while criterion-referenced tests (CRT) focus on "what test takers can do and what they know, not how they compare to others" (Anastasi, 1988). Both types of test can be standardized so that scores can be interpreted the same…