This text was written to help the reader acquire a base of knowledge about classical psychometrics and to integrate new ideas into that framework of knowledge. The material is organized into five units: (1) introduction to measurement theory; (2) reliability; (3) validity; (4) item analysis in test development; and (5) test scoring and…

This text on the assessment of students with disabilities focuses on accuracy in assessment and testing and the need for functional and meaningful assessment practices. The 14 chapters are grouped into 4 major parts. The first part, "An Introduction to Assessment," describes a comprehensive evaluation and discusses the mandatory…