Detecting Measurement Disturbances: Graphical Illustrations of Item Characteristic Curves
Yessimov B. Hussein R.A. Mohammed A. Hassan A.Y. Hashim A.M. Najeeb S.S. Ali Y.M. Abdullah A.S. Afif A.K.N.S.
2023Tabaran Institute of Higher Education (Iran Ministry of Sciences)
International Journal of Language Testing
2023#13126 - 133 pp.
Measurement disturbances refer to any conditions that affect the measurement of some psychological latent variables, which result in an inaccurate interpretation of item or person estimates derived from a measurement model. Measurement disturbances are mainly attributed to the characteristics of the person, the properties of the items, and the interaction between the characteristics of the person and the features of the items. Although numerous researchers have detected measurement disturbances in different contexts, too little attention has been devoted to exploring measurement disturbances within the context of language testing and assessment, especially using graphical displays. This study aimed to show the utility of graphical displays, which surpass numeric values of infit and outfit statistics given by the Rasch model, to explore measurement disturbances in a listening comprehension test. Results of the study showed two types of outcomes for examining graphical displays and their corresponding numeric fit values: congruent and incongruent associations. It turned out that graphical displays can provide diagnostic information about the performance of test items which might not be captured through numeric values.
Graphical displays , item characteristic curves , measurement disturbances , model-data fit
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Institute of Natural Sciences and Geography, Abai Kazakh National Pedagogical University, 13, Dostyk Av., Almaty, 050010, Kazakhstan
Al-Manara College for Medical Sciences, Misan, Iraq
College of Education, Al-Farahidi University, Baghdad, Iraq
Al-Nisour University College, Baghdad, Iraq
Department of English Language, Mazaya University College, Iraq
Al-Esraa University College, Baghdad, Iraq
Department of Medical Laboratory Technics, Al-Zahrawi University College, Karbala, Iraq
English Department, AlNoor University College, Nineveh, Iraq
Peoples Friendship University of Russia, Moscow, Russian Federation
Institute of Natural Sciences and Geography
Al-Manara College for Medical Sciences
College of Education
Al-Nisour University College
Department of English Language
Al-Esraa University College
Department of Medical Laboratory Technics
English Department
Peoples Friendship University of Russia
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