Title: SIAmodules: Modules for ShinyItemAnalysis

Authors: Patrícia Martinková, Jan Netík

Abstract:
ShinyItemAnalysis (Martinková & Hladká, 2018) is an R package and Shiny
application for interactive presentation of psychometric methods and for
measurement data analysis. In this work, we present a new feature which is
being introduced in the latest version of ShinyItemAnalysis, called "SIA
modules". Add-on modules allow researchers and practitioners to offer new
analytical methods for wider use. SIA modules are designed to integrate with
and build upon the ShinyItemAnalysis interactive application, enabling them to
leverage the existing infrastructure for tasks such as data uploading and
processing. They can access a range of outputs from various analyses,
including item response theory models, exploratory factor analysis, or
differential item functioning models. Because SIA modules come in R packages
(or extend the existing ones), they may come bundled with their own datasets,
use compiled code, etc. We demonstrate the concepts using sample modules from
the newly introduced SIAmodules R package.