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Diagnosing a 12-Item Dataset of Raven Matrices: With Dexter
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Partchev, Ivailo – Journal of Intelligence, 2020
We analyze a 12-item version of Raven's Standard Progressive Matrices test, traditionally scored with the sum score. We discuss some important differences between assessment in practice and psychometric modelling. We demonstrate some advanced diagnostic tools in the freely available R package, dexter. We find that the first item in the test…
Descriptors: Intelligence Tests, Scores, Psychometrics, Diagnostic Tests