Psychometric Theory

This text considers the measurement problems that arise in areas of psychology, education and areas of business such as management and marketing. This edition includes: statistical estimation; modern test theory and discussion of generalizability theory; factor analysis and the factoring of categorical data; new use of computer simulations while maintaining the use of examples that allow hand calculation; and overviews and summaries which have been added to each chapter, in addition to a greater number of worked examples.