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Download full textSünbül, Seçil Ömür; Asire, Semih – International Journal of Progressive Education, 2018
In this study it was aimed to evaluate the effects of various factors such as sample sizes, percentage of misfit items in the test and item quality (item discrimination) on item and model fit in case of misspecification of Q matrix. Data were generated in accordance with DINA model. Q matrix was specified for 4 attributes and 15 items. While data…
Descriptors: Clinical Diagnosis, Cognitive Ability, Problem Solving, Models
Khattab, Ali-Maher – 1986
This study investigates the extent to which the higher order factors of symbolic and semantic content are differentiated. The main concern is an expository description of the use of confirmatory factor analysis in establishing factorial validity. Reanalyzed data originally collected in 1968 involved a sample of 197 tenth, eleventh and twelfth…
Descriptors: Cognitive Ability, Computer Software, Factor Analysis, Factor Structure
