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Kohli, Nidhi; Koran, Jennifer; Henn, Lisa – Educational and Psychological Measurement, 2015
There are well-defined theoretical differences between the classical test theory (CTT) and item response theory (IRT) frameworks. It is understood that in the CTT framework, person and item statistics are test- and sample-dependent. This is not the perception with IRT. For this reason, the IRT framework is considered to be theoretically superior…
Descriptors: Test Theory, Item Response Theory, Factor Analysis, Models
Wicherts, Jelte M.; Scholten, Annemarie Zand – Intelligence, 2010
The validity of cognitive ability tests is often interpreted solely as a function of the cognitive abilities that these tests are supposed to measure, but other factors may be at play. The effects of test anxiety on the criterion related validity (CRV) of tests was the topic of a recent study by Reeve, Heggestad, and Lievens (2009) (Reeve, C. L.,…
Descriptors: Familiarity, Test Validity, Cognitive Tests, Factor Analysis
Ding, Lin; Beichner, Robert – Physical Review Special Topics - Physics Education Research, 2009
This paper introduces five commonly used approaches to analyzing multiple-choice test data. They are classical test theory, factor analysis, cluster analysis, item response theory, and model analysis. Brief descriptions of the goals and algorithms of these approaches are provided, together with examples illustrating their applications in physics…
Descriptors: Multiple Choice Tests, Factor Analysis, Data Interpretation, Item Response Theory

Anderson, Timothy; Dixon, Wallace E., Jr. – Journal of Research on Adolescence, 1995
Tested one-, two-, three-, and four-factor models within normal and psychiatric adolescent inpatient groups to confirm the factor structure for the Wechsler Intelligence Scale for Children-Revised (WISC-R). For both samples, the Kaufman three-factor solution had the best overall fit of the WISC-R subtest covariance structure. Other models were…
Descriptors: Adolescents, Factor Analysis, Institutionalized Persons, Intelligence Tests