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Özdogan, Didem; Kelecioglu, Hülya – International Journal of Assessment Tools in Education, 2022
This study aims to analyze the differential bundle functioning in multidimensional tests with a specific purpose to detect this effect through differentiating the location of the item with DIF in the test, the correlation between the dimensions, the sample size, and the ratio of reference to focal group size. The first 10 items of the test that is…
Descriptors: Correlation, Sample Size, Test Items, Item Analysis
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Altun, Aysegül; Kelecioglu, Hülya – International Journal of Assessment Tools in Education, 2018
The aim of the study is to determine the opinions of teachers and students in a Vocational High School about performance tasks. This study was carried out with 17 vocational high school students and 13 teachers. This study was conducted through qualitative research design by analyzing the records of the individuals who shared their own interviews,…
Descriptors: Vocational High Schools, Vocational Education Teachers, High School Teachers, High School Students
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Kalkan, Ömür Kaya; Kara, Yusuf; Kelecioglu, Hülya – International Journal of Assessment Tools in Education, 2018
Missing data is a common problem in datasets that are obtained by administration of educational and psychological tests. It is widely known that existence of missing observations in data can lead to serious problems such as biased parameter estimates and inflation of standard errors. Most of the missing data imputation methods are focused on…
Descriptors: Item Response Theory, Statistical Analysis, Data, Test Items