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Test and Item Analysis via Shiny

News in SIA software

January 16, 2026

A workshop on Computational Aspects of Psychometric Methods with ShinyItemAnalysis will be held on NCME 2026 conference, Los Angeles, California, USA on April 8.

July 22, 2025

We presented a workshop on Modelling Responses in Multi-Item Measurement with R and ShinyItemAnalysis at EAM 2025 conference, University of La Laguna in San Cristobal de La Laguna, Tenerife, Spain.

July 14, 2025

Workshop on SIA modules was held at the IMPS 2025 conference, University of Minnesota, Minneapolis, MN, USA.

July 10, 2025

{ShinyItemAnalysis} was updated to 1.5.5! πŸŽ‰
SIA Modules are now available for installation directly from the app's GUI (Modules tab), see our manuscript.
New estimation methods are implemented based on our recent paper.
See the changelog for the full list of changes and bugfixes.

July 15-19, 2024

Our work was presented at the IMPS 2024, hosted by our COMPS group, Prague, Czech Republic.
More information is available at IMPS 2024.

July 10, 2024

New preprint about SIA Modules was published on arXiv.

April 24, 2024

A brand new {SIAtools} R package was released! πŸŽ‰
SIAtools is a comprehensive suite of functions for constructing and managing 'ShinyItemAnalysis' modules, with guides, templates, linters, and tests. See the accompanying {pkgdown} page at applstat.github.io/SIAtools.

April 24, 2024

{ShinyItemAnalysis} version 1.5.1 was released! πŸŽ‰
The SIA modules available at our CRAN-like repository (shinyitemanalysis.org/repo) are now offered upon application startup when run locally with run_app().
See the changelog for the full list of changes and bugfixes.

April 23, 2024

{SIAmodules} were updated to 0.1.1! πŸŽ‰
The new release resolves bugs and provides sample R code for the CAT module.
See the changelog for the full list of changes and bugfixes.

July 3, 2023

New book Computational Aspects of Psychometric Methods. With R published at CRC Press.

Book cover

May 8, 2023

{ShinyItemAnalysis} version 1.5.0 was released! πŸŽ‰
The app is now extendable via add-on modules, new datasets were added, and DIF analysis now offers combinations (simple and iterative) of purification and p value adjustment.
See the full changelog here.

March 29, 2023

A collection of ShinyItemAnalysis modules were released in the {SIAmodules} R package. πŸŽ‰
They are no longer hosted at a standalone webpage, but dynamically recognized and added in {ShinyItemAnalysis} version β‰₯ 1.5.0. You can now create your own SIA module referring to the {SIAmodules} source code. A companion tool to ease the creation is in development. Stay tuned!

May 31, 2021

{ShinyItemAnalysis} version 1.3.7 was released! πŸŽ‰

February 1, 2021

{ShinyItemAnalysis} includes data and interactive demonstration study on restricted-range reliability published in Journal of the Royal Statistical Society Series A.

October 7, 2020

{ShinyItemAnalysis} featured in a recent paper on DIF detection with the {difNLR} package, published in The R Journal.

January 20, 2020

{ShinyItemAnalysis} includes data and interactive demonstration for a recent study on propensity score matching and differential item change functioning analysis, published in Learning and Instruction journal.

November 13, 2019

Workshop Introduction to Differential Item Functioning (DIF) analysis with R and ShinyItemAnalysis was held at AEA-Europe conference in Lisbon!

February 25, 2019

New paper about {ShinyItemAnalysis} was published in The R Journal.

June 20, 2018

{ShinyItemAnalysis} was presented at IMPS 2018 in New York, NY, USA. See the poster.

May 24, 2018

International workshop on Psychometric Computing Psychoco 2019, took place on February 21-22 in Prague, Czech Republic.

August 15, 2017

Czech article ShinyItemAnalysis: Analyzing admission and other educational and psychological tests has been published in journal TESTFΓ“RUM.

July 23, 2017

Video of useR!2017 talk on "Teaching psychometrics and analysing educational tests with ShinyItemAnalysis" is ONLINE now! Enjoy!