DiscrimHub
Authors: Aybüke Doğaç, Eren Can Aybek, Serkan Arıkan, Sinem Coşkun
Abstract: DiscrimHub is an R Shiny application designed to calculate and visualize various discrimination indices for test items. It provides a user-friendly interface for educators and researchers to analyze test data and evaluate item performance.
Features
Data upload and preview
Calculation of multiple discrimination indices:
A Special Case of Brennan's Index
Brennan's Index (1972)
Discrimination Index
Item-Total Correlation
Item-Rest Correlation
Interactive visualizations of discrimination indices
Item Response Curves
Descriptive statistics for items and total scores
Installation
Full Description:
Shiny app: https://shiny.eptlab.com/discrimhub/
Repo: GitHub - aybukedogac/DiscrimHub: A Shiny application that enables the computation of various discrimination indices for different purposes
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