Invariant Measurement: Using Rasch Models in the Social, Behavioral, and Health Sciences

This is the second edition of an introductory text that describes the principles of invariant measurement; how invariant measurement can be achieved using Rasch measurement theory; and how to use invariant measurement to solve a variety of measurement problems in the social, behavioral, and health sciences.

George Engelhard, Jr. is a professor of educational measurement and policy at the University of Georgia.
Jue Wang is a professor at the University of Science and Technology of China.