Evidence-centered design (ECD) is an orientation towards assessment development. It differs from conventional practice in several ways and consists of multiple activities. Each of these activities results in a set of useful documentation: domain analysis, domain modeling, construction of the assessment framework, and assessment…

The foregoing articles constitute what I consider a comprehensive and clear description of the redesign process of a major assessment. The articles serve to illustrate the problems that will need to be addressed by large-scale assessments in the twenty-first century. Primary among them is how to organize the development of such assessments to meet…

The cornerstone of evidence-centered assessment design (ECD) is an evidentiary argument that requires that each target of measurement (e.g., learning goal) for an assessment be expressed as a "claim" to be made about an examinee that is relevant to the specific purpose and audience(s) for the assessment. The "observable evidence" required to…

Evidence-centered assessment design (ECD) explicates a transparent evidentiary argument to warrant the inferences we make from student test performance. This article describes how the vehicles for gathering student evidence--task models and test specifications--are developed. Task models, which are the basis for item development, flow directly…

The economic and employment outlook for individuals without a high school diploma is bleak. For many of these individuals, passing the General Educational Development (GED) Test is the first step in competing in the increasingly demanding job market. GED test-taking policies vary across test centers and jurisdictions, and have the potential to…