The package provides a Shiny App to analyze datasets in the framework of classical test theory based on the lavaan package. Most importantly, the model assumptions of the 5 CTT models are checked in decreasing order of complexity (tau-kongeneric, essentially tau-equivalent, tau-equivalent and essentially tau-parallel, and tau-parallel) and the reliability estimators are adjusted accordingly. Moreover, it provides standard errors and confidence intervals for all parameters, including item reliabilities and error variances.
Package details |
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Maintainer | |
License | MIT + file LICENSE |
Version | 0.3.0 |
URL | https://github.com/abeeisnotabug/shinyCTT |
Package repository | View on GitHub |
Installation |
Install the latest version of this package by entering the following in R:
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