ShinyItemAnalysis

Test and item analysis via shiny

Overview

ShinyItemAnalysis is an interactive shiny application for analysis of educational tests and their items including

• exploration of total and standard scores,
• item and distractor analysis,
• item analysis via logistic regression models and their extensions,
• item analysis via IRT models,
• training plots for dichotomous and polytomous IRT models,
• DIF and DDF detection methods.

It also allows the users to upload and analyze their own data and to automatically generate analysis reports in PDF or HTML.

ShinyItemAnalysis is available online at Czech Academy of Sciences and shinyapps.io. It can be also downloaded from CRAN. Visit our web page about ShinyItemAnalysis to learn more!

Installation

# The easiest way to get ShinyItemAnalysis is to install from CRAN:
install.packages("ShinyItemAnalysis")

# Or you can get the newest development version from GitHub:
# install.packages("devtools")
devtools::install_github("patriciamar/ShinyItemAnalysis")

Version

Current version available on CRAN is 1.3.3. The newest development version available on GitHub is 1.3.3.
Version available online at Czech Academy of Sciences is 1.3.3. Version available online at shinyapps.io is 1.3.3.

Usage

It’s very easy to run ShinyItemAnalysis:

library(ShinyItemAnalysis)
rm(list = ls())
startShinyItemAnalysis()

Or try it directly online at Czech Academy of Sciences or shinyapps.io!

Getting help and provide feedback

If you find any bug or just need help with ShinyItemAnalysis you can leave your message as an issue here or directly contact us at martinkova@cs.cas.cz. We warmly encourage you to provide your feedback using Google form.

License

This program is free software and you can redistribute it and or modify it under the terms of the GNU GPL 3.

References

Paper describing ShinyItemAnalysis is available in The R Journal. Czech speakers can also refer to paper in journal Testforum.