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Students Ranking, Based On Their Abilities On Objective Type Test: Comparison Of Ctt And Irt, Amir Zaman, Atiq-Ur-Rehman Kashmiri, Mamoon Mubarak, Arshad Ali
Students Ranking, Based On Their Abilities On Objective Type Test: Comparison Of Ctt And Irt, Amir Zaman, Atiq-Ur-Rehman Kashmiri, Mamoon Mubarak, Arshad Ali
EDU-COM International Conference
The focus of this paper is to investigate the idea of differential ability for students ranking on a multiple choice test in the subject of physics at secondary level. The weakness of Classical Test Theory (CTT) in measuring the ability with continuity and consequently its ranking ability of students on the basis of ability has been highlighted in this paper. In CTT, a student attempting a difficult question and an easy question get equal credit which is not the case in Item Response Theory (IRT). Moreover in CTT two students with equal raw score have the same ranking while in …