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Ince Araci, F. Gul; Tan, Seref – International Journal of Assessment Tools in Education, 2022
Computerized Adaptive Testing (CAT) is a beneficial test technique that decreases the number of items that need to be administered by taking items in accordance with individuals' own ability levels. After the CAT applications were constructed based on the unidimensional Item Response Theory (IRT), Multidimensional CAT (MCAT) applications have…
Descriptors: Adaptive Testing, Computer Assisted Testing, Simulation, Item Response Theory
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Tan, Seref; Ipek, Zeki; Atik, Ali Derya; Erkoc, Figen – International Journal of Assessment Tools in Education, 2021
The main aim of this study is to examine the measurement invariance of the structural equating model constructed on the Awareness and Exposure subscales of Nanoscience and Nanotechnology Awareness Scale (NSTAS) test for three teacher branches, three school types, and two genders by using the covariance structural analysis to test configural and…
Descriptors: Science Teachers, Teacher Characteristics, Structural Equation Models, Measures (Individuals)
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Ipek, Zeki; Atik, Ali Derya; Tan, Seref; Erkoc, Figen – International Journal of Assessment Tools in Education, 2020
The aim of this study was to determine the validity and reliability of the Nanotechnology Awareness Scale (NAI) in Turkish culture. The study group consists of 624 biology, physics and chemistry teachers working in secondary schools in Antalya, Denizli, Burdur and Ankara. Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA)…
Descriptors: Test Validity, Test Reliability, Culture Fair Tests, Measures (Individuals)