Equating is an essential tool in educational assessment due the critical role it plays in several key areas: establishing validity across forms and years; fairness; test security; and, increasingly, continuity in programs that release items or require ongoing development. Although the practice of equating is rooted in long standing practices that…

Diagnostic assessment is currently an active research area in educational measurement. Literature related to diagnostic modeling has been in existence for several decades, but a great deal of research has been conducted within the last decade or so, especially within the last five years. The author summarizes the key components in the application…

Purpose: To provide educationalists with an understanding of the key quality issues relating to multiple-choice tests, and a set of guidelines for the quality assurance of such tests. Design/methodology/approach: The discussion of quality issues is structured to reflect the order in which those issues naturally arise. It covers the design of…