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…

G. Burket's criticisms regarding calculation and interpretation of group scores on norm-referenced tests are discussed. Burket and Baglin seem to agree on the existence of a problem in the calculation and interpretation of group scores on norm-referenced tests but disagree on the issue of that problem's causes and solutions. (TJH)

A group's average test score is often used to evaluate different educational approaches, curricula, teachers, and schools. Studies of group test scores over time often try to measure "value-added" by holding constant certain student characteristics such as race, parents' education, or socioeconomic status; however, the important…

In the specific methods of standard setting in testing, judgments about individuals being tested, contrasting groups being tested, and judgments about the test items are discussed. In judgments about individual test-takers, assumptions are presented based on the knowledge and skills the test is intended to measure, the test-takers' skills at the…

It is argued that achievement test means, based on group scores, or other district-wide summary scores do not provide valid measures for diagnosing curriculum weaknesses nor for initiating curriculum changes. Group scores are probably valid for some purposes, but should not be used as criterion variables for evaluating the effectiveness of…