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Adebule
Greener Journal of Social Sciences Vol. 3 (7), pp. 378-382, August 2013
ISSN: 2276-7800 © 2011 GJSS
Research Paper
Manuscript Number: 062513691
Item Response Theory as a Basis for Measuring Latent Trait of Interest
Adebule Samuel Olufemi
Faculty of Education, Ekiti State University, Ado-Ekiti, Nigeria.
Email: doctorolufemiadebule @ yahoo.com
Abstract:
Item Response Theory (IRT) is one of the most important developments in testing today. It then becomes necessary for all experts in tests, measurement, assessment and evaluation to be well-abreasted of this approach that builds on the concept of item analysis. This write up examines item response theory framework, its merits and demerits; and concludes that Nigerian psychometricians need and require skills and experience in the principle and assumption of IRT.
Keywords: Item, tests, item response test, classical test theory, latent trait, item characteristic curve, Rasch model.
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