As schools move toward performance assessment, there is increasing discussion of using these assessments for accountability purposes. When used for making decisions, performance assessments must meet high standards of validity and reliability. One major source of unreliability in performance assessments is interrater disagreement. In this paper,…

A crucial, but often forgotten, role of educational assessment is to enhance students' learning. This author advocates that an assessment program designed for student learning differs from assessment for accountability in purpose, test format, measurement type, number, and spread of tests, use of test results, and amount of interval between…