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Download full textIlhan, Mustafa; Guler, Nese – Eurasian Journal of Educational Research, 2018
Purpose: This study aimed to compare difficulty indices calculated for open-ended items in accordance with the classical test theory (CTT) and the Many-Facet Rasch Model (MFRM). Although theoretical differences between CTT and MFRM occupy much space in the literature, the number of studies empirically comparing the two theories is quite limited.…
Descriptors: Difficulty Level, Test Items, Test Theory, Item Response Theory
Ilhan, Mustafa; Öztürk, Nagihan Boztunç; Sahin, Melek Gülsah – Participatory Educational Research, 2020
In this research, the effect of an item's type and cognitive level on its difficulty index was investigated. The data source of the study consisted of the responses of the 12535 students in the Turkey sample (6079 and 6456 students from eighth and fourth grade respectively) of TIMSS 2015. The responses were a total of 215 items at the eighth-grade…
Descriptors: Test Items, Difficulty Level, Cognitive Processes, Responses
Ilhan, Mustafa – Educational Sciences: Theory and Practice, 2016
The aim of this study was to compare the results of many-facet Rasch analyses based on crossed and judge pair designs. The study was conducted with 168 eighth grade students and five judges. The study data were collected using an achievement test with open-ended questions and a holistic rubric that was used to rate the responses. In the data…
Descriptors: Item Response Theory, Achievement Tests, Scoring Rubrics, Judges
Güler, Nese; Ilhan, Mustafa; Güneyli, Ahmet; Demir, Süleyman – Educational Sciences: Theory and Practice, 2017
This study evaluates the psychometric properties of three different forms of the Writing Apprehension Test (WAT; Daly & Miller, 1975) through Rasch analysis. For this purpose, the fit statistics and correlation coefficients, and the reliability, separation ratio, and chi-square values for the facets of item and person calculated for the…
Descriptors: Writing Apprehension, Psychometrics, Item Response Theory, Tests
