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MiCT: Minimal Important Change and Threshold Estimation

Provides methods for estimating minimal important change (MIC) and interpretation thresholds for multi-item questionnaires and single-item continuous or ordinal measures. Methods include predictive modelling, adjusted predictive modelling, improved adjusted predictive modelling using anchor reliability, confirmatory factor analysis for anchor reliability, longitudinal confirmatory factor analysis for MIC estimation, longitudinal confirmatory factor analysis-based MIC estimation for single-item measures, and confirmatory factor analysis-based threshold estimation for single-item and multi-item measures. Implemented methods include those developed by Terluin et al. (2015) <doi:10.1016/j.jclinepi.2015.03.015>, Terluin et al. (2017) <doi:10.1016/j.jclinepi.2016.12.015>, Terluin et al. (2022) <doi:10.1016/j.jclinepi.2022.04.018>, Terluin et al. (2023) <doi:10.1007/s11136-023-03355-8>, Terluin et al. (2024) <doi:10.1007/s11136-023-03577-w>, Terluin et al. (2024) <doi:10.1007/s11136-024-03763-4>, and Terluin et al. (2026) <doi:10.1007/s11136-025-04134-3>.

Version: 2.0.0
Depends: R (≥ 4.1.0)
Imports: lavaan, MASS, mirt, pROC
Suggests: testthat (≥ 3.0.0)
Published: 2026-08-09
DOI: 10.32614/CRAN.package.MiCT (may not be active yet)
Author: Iris Eekhout [aut] (Original package author), Berend Terluin [aut], Yong-Hao Pua [aut, cre]
Maintainer: Yong-Hao Pua <gmspuyh at duke-nus.edu.sg>
BugReports: https://github.com/yhpua/MiCT/issues
License: MIT + file LICENSE
URL: https://github.com/yhpua/MiCT, https://yhpua.github.io/MiCT/
NeedsCompilation: no
Materials: README, NEWS
CRAN checks: MiCT results

Documentation:

Reference manual: MiCT.html , MiCT.pdf

Downloads:

Package source: MiCT_2.0.0.tar.gz
Windows binaries: r-devel: not available, r-release: not available, r-oldrel: MiCT_2.0.0.zip
macOS binaries: r-release (arm64): not available, r-oldrel (arm64): not available, r-release (x86_64): not available, r-oldrel (x86_64): not available

Linking:

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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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