Item Response Theory (IRT)-- also known as latent trait theory, strong true score theory, or modern mental test theory, is a paradigm for the design, analysis, and scoring of tests, questionnaires, and similar instruments measuring abilities, attitudes, or other variables. Unlike simpler alternatives for creating scales evaluating questionnaire responses it does not assume that each item is equally difficult.
The Theory and Practice of Item Response Theory (Methodology in the Social Sciences) #book #health http://www.healthbooksshop.com/the-theory-and-practice-of-item-response-theory-methodology-in-the-social-sciences/ Item response theory (IRT) is a latent variable modeling approach used to minimize bias and optimize the measurement power of educational and psychological tests and other psychometric applications. Designed for researchers, psychometric professionals, and advanced studen..
Bayesian Analysis of Item Response Theory Models Using SAS (Paperback)