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What is IRT vs CTT in Information Systems Research about?
This document discusses the limitations of Classical Test Theory (CTT) in measuring latent constructs in Information Systems (IS) research and proposes Item Response Theory (IRT) as a more effective alternative. IRT addresses key shortcomings of CTT, such as assuming linear relationships and sample dependence of parameters, by allowing for nonlinear relationships and independent estimation of item parameters. The authors demonstrate the application of IRT through the development of a scale measuring hedonic
- Author
- nurul qomariyah ahmad
- Language
- EN